{"id":45239,"date":"2021-10-22T02:14:17","date_gmt":"2021-10-22T09:14:17","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=45239"},"modified":"2025-09-10T20:09:16","modified_gmt":"2025-09-11T03:09:16","slug":"why-is-my-car-shaking-and-the-check-engine-light-is-on-faq","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/","title":{"rendered":"Why Is My Car Shaking and the Check Engine Light is On? FAQ"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column45239_e8aba5-c4 > .kt-inside-inner-col,.kadence-column45239_e8aba5-c4 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column45239_e8aba5-c4 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column45239_e8aba5-c4 > .kt-inside-inner-col{flex-direction:column;}.kadence-column45239_e8aba5-c4 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column45239_e8aba5-c4 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column45239_e8aba5-c4{position:relative;}@media all and (max-width: 1024px){.kadence-column45239_e8aba5-c4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column45239_e8aba5-c4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column45239_e8aba5-c4 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-f18901  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-d577ea\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading45239_c6463d-08, .wp-block-kadence-advancedheading.kt-adv-heading45239_c6463d-08[data-kb-block=\"kb-adv-heading45239_c6463d-08\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading45239_c6463d-08 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading45239_c6463d-08[data-kb-block=\"kb-adv-heading45239_c6463d-08\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading45239_c6463d-08 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading45239_c6463d-08[data-kb-block=\"kb-adv-heading45239_c6463d-08\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading45239_c6463d-08 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading45239_c6463d-08\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A severe case of engine misfire may cause vehicle shaking and trigger the check engine light.<\/li>\n\n\n\n<li>An engine misfire occurs when there&rsquo;s incomplete or zero combustion in one of the cylinders.<\/li>\n\n\n\n<li>It&rsquo;s never safe to drive when your car is shaking. Doing so can damage the catalytic converter and other costly parts.<\/li>\n\n\n\n<li>There&rsquo;s an endless list of reasons why your engine could misfire. Have a trained professional check your vehicle to get an accurate diagnosis.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The dreaded check engine light (CEL) is always worrisome whenever it turns on. But when the light illuminates (or starts to flash) <em>and <\/em>your car begins to shake, that makes the situation even more stressful. Naturally, you&rsquo;ll want to find out what&rsquo;s causing the problem and how to address it. There are literally dozens of reasons misfires can happen, so we&rsquo;ll just hit the highlights.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Causes the Check Engine Light to Flash and Make the Car Shake While I&rsquo;m Driving?<\/h2>\n\n\n\n<p>Usually, when the <a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"check engine light is flashing\">check engine light is flashing<\/a> and the car is sputtering and shaking, that means you&rsquo;re dealing with an engine misfire serious enough to possibly damage the catalytic converter and in most cases the PCM\/ECM will kill the injector to prevent that. Basically, the check engine light comes on whenever there&rsquo;s an issue that could increase vehicle tailpipe emissions.<\/p>\n\n\n\n<p>An engine misfire&mdash;a problem that almost always causes an increase in hydrocarbon emissions &mdash;is one of the many reasons why the check engine light might illuminate (or start to flash). A misfire occurs when there&rsquo;s incomplete (or zero) combustion taking place inside one of the engine&rsquo;s cylinders. <\/p>\n\n\n\n    <div class=\"ai-summary-widget\">\n\n        <div class=\"ai-summary-grid\">\n\n            <div>\n                <div class=\"ai-avatar\">\n                    <figure>\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/ai-summary\/ai-bot\" alt=\"AI robot\">\n                    <\/figure>\n                    <span>ELI5<\/span>\n                <\/div>\n            <\/div>\n            <div>\n                <p>What are engine misfires? Imagine your car's engine is like a team of tiny, super-strong hamsters running on a wheel to make the car go. They all have to run perfectly at the same time. When there's an engine misfire, it's like one of the hamsters gets a little hiccup or a tummy ache. They don't run properly, and sometimes they skip a beat. Because one hamster isn't running right, the whole team gets wobbly, and the car doesn't run as smoothly. It might feel bumpy, or like it's shaking a little.<\/p>    \n            <\/div>\n\n        <\/div>\n\n        <div class=\"ai-summary-tooltip\">   \n            <p>Not everyone is an auto repair expert. <strong>ELI5 (&ldquo;Explain Like I&rsquo;m Five&rdquo;)<\/strong> provides layperson-friendly explanations of complex automotive concepts, systems, &amp; parts, so you can fully understand their importance. Great for casual car owners and DIY beginners! Powered by AI.<\/p>\n        <\/div>\n\n    <\/div>\n\n\n\n<p>When one cylinder isn&rsquo;t providing turning power to the crankshaft when it&rsquo;s time for that cylinder to fire, the crankshaft will slow down during that cylinder&rsquo;s lack of a power event. When a misfire is severe enough, you may notice that the engine begins to shake.<\/p>\n\n\n\n<div class=\"wp-block-data443-irp-shortcode irp-shortcode\"><div style=\"clear:both; margin-top:0em; margin-bottom:1em;\"><a href=\"https:\/\/www.carparts.com\/blog\/emission-control-systems\/\" target=\"_self\" rel=\"dofollow\" class=\"ua67a59db89b6ee86dd3c4afd1d6c0c51\"><style> .ua67a59db89b6ee86dd3c4afd1d6c0c51 { padding:0px; margin: 0; padding-top:1em!important; padding-bottom:1em!important; width:100%; display: block; font-weight:bold; background-color:#eaeaea; border:0!important; border-left:4px solid #34495E!important; text-decoration:none; } .ua67a59db89b6ee86dd3c4afd1d6c0c51:active, .ua67a59db89b6ee86dd3c4afd1d6c0c51:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .ua67a59db89b6ee86dd3c4afd1d6c0c51 { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .ua67a59db89b6ee86dd3c4afd1d6c0c51 .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .ua67a59db89b6ee86dd3c4afd1d6c0c51 .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .ua67a59db89b6ee86dd3c4afd1d6c0c51:hover .postTitle { text-decoration: underline!important; } <\/style><div style=\"padding-left:1em; padding-right:1em;\"><span class=\"ctaText\">See also<\/span>&nbsp; <span class=\"postTitle\">Emission Control Systems<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"498\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/scan-tool-power-balance-function-1024x498.jpg\" alt=\"image showing the power balance function of a scan tool\" class=\"wp-image-87081\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/scan-tool-power-balance-function-1024x498.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/scan-tool-power-balance-function-300x146.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/scan-tool-power-balance-function-768x373.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/scan-tool-power-balance-function-150x73.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/scan-tool-power-balance-function.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Higher end scan tools have a power balance function like the screenshot you see in this illustration, with the downward track indicating rpm loss on the misfiring cylinder. | Image Source: Richard McCuistian<\/figcaption><\/figure>\n\n\n<style>.kadence-column45239_756cb3-af > .kt-inside-inner-col,.kadence-column45239_756cb3-af > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column45239_756cb3-af > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column45239_756cb3-af > .kt-inside-inner-col{flex-direction:column;}.kadence-column45239_756cb3-af > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column45239_756cb3-af > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column45239_756cb3-af{position:relative;}@media all and (max-width: 1024px){.kadence-column45239_756cb3-af > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column45239_756cb3-af > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column45239_756cb3-af kb-section-dir-vertical kb-section-sm-dir-vertical inner-column-1 pro-tip-widget\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id45239_f02a65-ce > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id45239_f02a65-ce > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id45239_f02a65-ce > .kt-row-column-wrap{column-gap:var(--global-kb-gap-none, 0rem );row-gap:var(--global-kb-gap-md, 2rem);padding-top:20px;padding-right:32px;padding-bottom:20px;padding-left:16px;grid-template-columns:minmax(0, calc(10% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)))minmax(0, calc(90% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)));}.kb-row-layout-id45239_f02a65-ce > .kt-row-layout-overlay{opacity:0.00;}.kb-row-layout-id45239_f02a65-ce .kt-row-layout-bottom-sep{height:100px;}.kb-row-layout-id45239_f02a65-ce .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id45239_f02a65-ce .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}.kb-row-layout-id45239_f02a65-ce .kt-row-layout-top-sep{height:100px;}.kb-row-layout-id45239_f02a65-ce .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id45239_f02a65-ce .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){.kb-row-layout-id45239_f02a65-ce > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){.kb-row-layout-id45239_f02a65-ce .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id45239_f02a65-ce .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id45239_f02a65-ce > .kt-row-column-wrap{padding-top:28px;padding-right:16px;padding-bottom:25px;padding-left:16px;grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}.kb-row-layout-id45239_f02a65-ce .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id45239_f02a65-ce .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id45239_f02a65-ce alignnone pro-tip-wrap wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-right-golden kt-tab-layout-right-golden kt-mobile-layout-right-golden kt-row-valign-top\">\n<style>.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col{display:flex;}.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col{min-height:45px;}.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col,.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col{row-gap:0px;column-gap:0px;}.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col > *, .kadence-column45239_a3b27f-f0 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column45239_a3b27f-f0 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column45239_a3b27f-f0{position:relative;}@media all and (max-width: 1024px){.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col > *, .kadence-column45239_a3b27f-f0 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column45239_a3b27f-f0 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col > *, .kadence-column45239_a3b27f-f0 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column45239_a3b27f-f0 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column45239_a3b27f-f0 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column45239_a3b27f-f0 kb-section-dir-horizontal kb-section-md-dir-horizontal inner-column-1 pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image45239_e63080-07.kb-image-is-ratio-size, .kb-image45239_e63080-07 .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image45239_e63080-07.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image45239_e63080-07 .kb-image-is-ratio-size{align-self:unset;}.kb-image45239_e63080-07 figure{max-width:45px;}.kb-image45239_e63080-07 .image-is-svg, .kb-image45239_e63080-07 .image-is-svg img{width:100%;}.kb-image45239_e63080-07 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image45239_e63080-07\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto,c_pad\/carparts\/blog\/widgets\/protip\/services-icon\" alt=\"\" class=\"kb-img\"><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column45239_5cbf49-75 > .kt-inside-inner-col,.kadence-column45239_5cbf49-75 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column45239_5cbf49-75 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column45239_5cbf49-75 > .kt-inside-inner-col{flex-direction:column;}.kadence-column45239_5cbf49-75 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column45239_5cbf49-75 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column45239_5cbf49-75{position:relative;}@media all and (max-width: 1024px){.kadence-column45239_5cbf49-75 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column45239_5cbf49-75 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column45239_5cbf49-75 inner-column-2 pro-tip-item2\"><div class=\"kt-inside-inner-col\">\n<div class=\"protip-desc\">\n\t<div class=\"help-tip\">\n\t\t<p><strong>Pro Tips<\/strong> are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.<\/p>\n\t<\/div>\n    <div class=\"help-caption\">\n        <p>\n            <strong>Pro Tip:<\/strong>\n           The fewer cylinders your engine has, the more you&rsquo;ll feel it when one is misfiring.\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>On a V8, you may simply notice a loss of power and a flashing check engine light.&nbsp;<\/p>\n\n\n\n<p>On a four cylinder it may feel like your steering wheel is attached to a machine gun. Misfires can happen intermittently, at idle only, accelerating only, or under heavy load (in 4th gear at 45 mph). They can be random or regular. Misfires can happen on just one cylinder or on several different cylinders at the same time. They can happen right after the engine is started and then clear up due to coolant seeping into a single cylinder.<\/p>\n\n\n\n<p>And there are several reasons why misfires can happen.<\/p>\n\n\n\n<p>It&rsquo;s important to point out that an engine needs three primary ingredients to run properly: a <a href=\"https:\/\/www.carparts.com\/blog\/what-is-a-good-air-fuel-ratio-chart-included\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"precise air-fuel mixture\">precise air-fuel mixture<\/a>, adequate spark, and good compression. When any of these factors are missing, incomplete combustion occurs, resulting in a misfire.<\/p>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n<style>.kadence-column45239_bfdcbc-04 > .kt-inside-inner-col,.kadence-column45239_bfdcbc-04 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column45239_bfdcbc-04 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column45239_bfdcbc-04 > .kt-inside-inner-col{flex-direction:column;}.kadence-column45239_bfdcbc-04 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column45239_bfdcbc-04 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column45239_bfdcbc-04{position:relative;}@media all and (max-width: 1024px){.kadence-column45239_bfdcbc-04 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column45239_bfdcbc-04 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column45239_bfdcbc-04 kb-section-dir-vertical kb-section-sm-dir-vertical inner-column-1 pro-tip-widget\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id45239_bc7f8e-29 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id45239_bc7f8e-29 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id45239_bc7f8e-29 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-none, 0rem );row-gap:var(--global-kb-gap-md, 2rem);padding-top:20px;padding-right:32px;padding-bottom:20px;padding-left:16px;grid-template-columns:minmax(0, calc(10% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)))minmax(0, calc(90% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)));}.kb-row-layout-id45239_bc7f8e-29 > .kt-row-layout-overlay{opacity:0.00;}.kb-row-layout-id45239_bc7f8e-29 .kt-row-layout-bottom-sep{height:100px;}.kb-row-layout-id45239_bc7f8e-29 .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id45239_bc7f8e-29 .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}.kb-row-layout-id45239_bc7f8e-29 .kt-row-layout-top-sep{height:100px;}.kb-row-layout-id45239_bc7f8e-29 .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id45239_bc7f8e-29 .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){.kb-row-layout-id45239_bc7f8e-29 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){.kb-row-layout-id45239_bc7f8e-29 .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id45239_bc7f8e-29 .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id45239_bc7f8e-29 > .kt-row-column-wrap{padding-top:28px;padding-right:16px;padding-bottom:25px;padding-left:16px;grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}.kb-row-layout-id45239_bc7f8e-29 .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id45239_bc7f8e-29 .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id45239_bc7f8e-29 alignnone pro-tip-wrap wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-right-golden kt-tab-layout-right-golden kt-mobile-layout-right-golden kt-row-valign-top\">\n<style>.kadence-column45239_0910f9-67 > .kt-inside-inner-col{display:flex;}.kadence-column45239_0910f9-67 > .kt-inside-inner-col{min-height:45px;}.kadence-column45239_0910f9-67 > .kt-inside-inner-col,.kadence-column45239_0910f9-67 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column45239_0910f9-67 > .kt-inside-inner-col{row-gap:0px;column-gap:0px;}.kadence-column45239_0910f9-67 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column45239_0910f9-67 > .kt-inside-inner-col > *, .kadence-column45239_0910f9-67 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column45239_0910f9-67 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column45239_0910f9-67 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column45239_0910f9-67 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column45239_0910f9-67{position:relative;}@media all and (max-width: 1024px){.kadence-column45239_0910f9-67 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column45239_0910f9-67 > .kt-inside-inner-col > *, .kadence-column45239_0910f9-67 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column45239_0910f9-67 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column45239_0910f9-67 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column45239_0910f9-67 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column45239_0910f9-67 > .kt-inside-inner-col > *, .kadence-column45239_0910f9-67 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column45239_0910f9-67 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column45239_0910f9-67 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column45239_0910f9-67 kb-section-dir-horizontal kb-section-md-dir-horizontal inner-column-1 pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image45239_e9ae1f-d6.kb-image-is-ratio-size, .kb-image45239_e9ae1f-d6 .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image45239_e9ae1f-d6.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image45239_e9ae1f-d6 .kb-image-is-ratio-size{align-self:unset;}.kb-image45239_e9ae1f-d6 figure{max-width:45px;}.kb-image45239_e9ae1f-d6 .image-is-svg, .kb-image45239_e9ae1f-d6 .image-is-svg img{width:100%;}.kb-image45239_e9ae1f-d6 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image45239_e9ae1f-d6\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto,c_pad\/carparts\/blog\/widgets\/protip\/services-icon\" alt=\"\" class=\"kb-img\"><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column45239_61e1b7-25 > .kt-inside-inner-col,.kadence-column45239_61e1b7-25 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column45239_61e1b7-25 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column45239_61e1b7-25 > .kt-inside-inner-col{flex-direction:column;}.kadence-column45239_61e1b7-25 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column45239_61e1b7-25 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column45239_61e1b7-25{position:relative;}@media all and (max-width: 1024px){.kadence-column45239_61e1b7-25 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column45239_61e1b7-25 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column45239_61e1b7-25 inner-column-2 pro-tip-item2\"><div class=\"kt-inside-inner-col\">\n<div class=\"protip-desc\">\n\t<div class=\"help-tip\">\n\t\t<p><strong>Pro Tips<\/strong> are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.<\/p>\n\t<\/div>\n    <div class=\"help-caption\">\n        <p>\n            <strong>Pro Tip:<\/strong>\n           Spark plugs that are gapped too close or partially fouled may cause a random misfire that only happens at idle. This kind of misfire can be felt best at the exhaust pipe with a rag. The exhaust will &ldquo;puff&rdquo; with each misfire.\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>There are many potential causes for a misfire, some of the most common of which include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ignition system problems (example: a bad <a href=\"https:\/\/www.carparts.com\/ignition-coil?&amp;itemsperpage=15&amp;refinements%5Bpart%5D=Ignition_Coil&amp;refinements%5Bdesign%5D=Coil_Pack\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"coil pack\">coil pack<\/a> or <a href=\"https:\/\/www.carparts.com\/spark-plug\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"spark plug issues\">spark plug issues<\/a>)<\/li>\n\n\n\n<li>Air-fuel mixture issues (example: a <a href=\"https:\/\/www.carparts.com\/blog\/vacuum-leak-symptoms-causes-how-to-fix\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"vacuum leak\">vacuum leak<\/a> near one intake port or <a href=\"https:\/\/www.carparts.com\/blog\/the-top-6-signs-of-bad-fuel-injectors\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"faulty\/clogged fuel injectors\">faulty\/clogged fuel injectors<\/a>)<\/li>\n\n\n\n<li>Engine mechanical problems (example: a failed lifter or motor mount, <strong><em>compression loss due to valve problems<\/em><\/strong>, or jumped <a href=\"https:\/\/www.carparts.com\/timing-chain\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"timing chain\">timing chain<\/a>)<\/li>\n\n\n\n<li>Sensor issues (example: a bad <a href=\"https:\/\/www.carparts.com\/mass-air-flow-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"mass airflow sensor\">mass airflow sensor<\/a> or <a href=\"https:\/\/www.carparts.com\/crankshaft-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"crankshaft sensor\">crankshaft sensor<\/a>)<\/li>\n\n\n\n<li>Wiring problems (example: a broken wire or loose connector)<\/li>\n\n\n\n<li>Emissions equipment issues won&rsquo;t ordinarily cause misfires but can cause overall poor idle quality or power loss (example: a bad <a href=\"https:\/\/www.carparts.com\/egr-valve\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"exhaust gas recirculation valve\">exhaust gas recirculation valve<\/a> or secondary air injection system failure, or a <a href=\"https:\/\/www.carparts.com\/blog\/bad-catalytic-converter-symptoms\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"faulty catalytic converter\">faulty catalytic converter<\/a>)<\/li>\n\n\n\n<li>Computer problems (example: software in need of an update or faulty hardware)<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Spark plugs that are gapped too close or partially fouled may cause a<strong> <\/strong>random misfire that only happens at idle. This kind of misfire can be felt best at the exhaust pipe with a rag. The exhaust will &ldquo;puff&rdquo; with each misfire.<\/p>\n<cite>&ndash;<a href=\"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Richard McCuistian, ASE Certified Master Automobile Technician\">Richard McCuistian, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<p>In other words: There is an almost endless list of reasons why your engine might be misfiring, causing the check engine light to turn on and the car to shake.<\/p>\n\n\n\n    <div class=\"perspective-widget\">\n        <div class=\"pt-child-wrap\">\n\n            <div class=\"pt-col-item1\">\n                <figure class=\"aligncenter size-large\">\n                        <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/dpr_auto,f_auto,q_auto\/carparts\/blog\/plugins\/amp\/avatar-comments\" class=\"com-thumb\" alt=\"Avatar of CarParts.com Research Team\" width=\"100\" height=\"100\">\n                <\/figure>\n                <p>\n                    <strong>Herbert Miller<\/strong> \n                    <span>User<\/span>\n                <\/p>\n            <\/div>\n\n            <div class=\"pt-col-item2\">\n                <div class=\"protip-desc\">\n                    <div class=\"perspective-help-tip\">   \n                        <p>There&rsquo;s more than one way to look at an issue. &ldquo;Community Perspectives&rdquo; highlight authentic personal viewpoints and real-life experiences by the CarParts.com community, including our readers, experts, and product specialists, among others. This can help you make better informed decisions about your car.<\/p>\n                    <\/div>\n                    <div class=\"perspective-help-caption tooltip\"> \n                        <h2>CarParts.com Community Perspectives<\/h2>\n                        <p>Every two weeks, I drive to Nevada from Park City. The front of the car started to shake at 80 mph on I-80 after making the trip several times with no problem. One &amp; [a] half hour on the road, the shaking started and stopped when I hit 50 mph. After he put [the] struts in, it was fine for 3 trips, but this last trip, it started again, so we&rsquo;ll see if we have a clue. Also, I burn a half-quart of oil each trip, and if I&rsquo;m idling for 5 &ndash; 10 minutes and get moving again, a cloud of white smoke pours out [of the] exhaust for 3 minutes.<\/p>\n                        <div class=\"cta-btn\">\n                            <a href=\"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#commentform\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Jump to Discussions\">Jump to Discussions<\/a>\n                        <\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n\n        <\/div>\n    <\/div>\n\n\n\n<div class=\"wp-block-data443-irp-shortcode irp-shortcode\"><div style=\"clear:both; margin-top:0em; margin-bottom:1em;\"><a href=\"https:\/\/www.carparts.com\/blog\/how-to-clean-fuel-injectors\/\" target=\"_self\" rel=\"dofollow\" class=\"u70684224d5b7a658c12a84eccf0306d1\"><style> .u70684224d5b7a658c12a84eccf0306d1 { padding:0px; margin: 0; padding-top:1em!important; padding-bottom:1em!important; width:100%; display: block; font-weight:bold; background-color:#eaeaea; border:0!important; border-left:4px solid #34495E!important; text-decoration:none; } .u70684224d5b7a658c12a84eccf0306d1:active, .u70684224d5b7a658c12a84eccf0306d1:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .u70684224d5b7a658c12a84eccf0306d1 { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .u70684224d5b7a658c12a84eccf0306d1 .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .u70684224d5b7a658c12a84eccf0306d1 .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .u70684224d5b7a658c12a84eccf0306d1:hover .postTitle { text-decoration: underline!important; } <\/style><div style=\"padding-left:1em; padding-right:1em;\"><span class=\"ctaText\">See also<\/span>&nbsp; <span class=\"postTitle\">How to Clean Fuel Injectors<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1653633755816\"><strong class=\"schema-faq-question\">Is It Safe to Drive When Your Car is Shaking and the Check Engine Light is&nbsp; Flashing?&nbsp;<\/strong> <p class=\"schema-faq-answer\">You should not continue to drive when the car is shaking and the check engine light is on. Such a scenario often indicates that your car is suffering from a severe misfire, which could damage the <a href=\"https:\/\/www.carparts.com\/catalytic-converter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"catalytic converter\">catalytic converter<\/a> and other costly components.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1653633762678\"><strong class=\"schema-faq-question\">How to Fix a Check Engine Light Flashing with the Car Shaking<\/strong> <p class=\"schema-faq-answer\">There are multiple reasons why your engine might be misfiring badly enough to cause a check engine light and shaking. Therefore, there isn&rsquo;t a magic bullet fix for the issue. The solution for a Kia Optima shaking when idle might be different from a Prius engine shaking while starting. If your car started shaking or your car is shaking when starting up, you (or your mechanic) will need to diagnose the problem, then perform the necessary repairs.<\/p> <\/div> <\/div>\n\n\n\n<div class=\"wp-block-data443-irp-shortcode irp-shortcode\"><div style=\"clear:both; margin-top:0em; margin-bottom:1em;\"><a href=\"https:\/\/www.carparts.com\/blog\/how-to-replace-faulty-crankshaft-position-sensor\/\" target=\"_self\" rel=\"dofollow\" class=\"u1f690d4103aa046daae5758aca37cd54\"><style> .u1f690d4103aa046daae5758aca37cd54 { padding:0px; margin: 0; padding-top:1em!important; padding-bottom:1em!important; width:100%; display: block; font-weight:bold; background-color:#eaeaea; border:0!important; border-left:4px solid #34495E!important; text-decoration:none; } .u1f690d4103aa046daae5758aca37cd54:active, .u1f690d4103aa046daae5758aca37cd54:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .u1f690d4103aa046daae5758aca37cd54 { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .u1f690d4103aa046daae5758aca37cd54 .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .u1f690d4103aa046daae5758aca37cd54 .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .u1f690d4103aa046daae5758aca37cd54:hover .postTitle { text-decoration: underline!important; } <\/style><div style=\"padding-left:1em; padding-right:1em;\"><span class=\"ctaText\">See also<\/span>&nbsp; <span class=\"postTitle\">How to Replace a Faulty Crankshaft Position Sensor<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"971\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/burnt-valve-result-1024x971.jpg\" alt=\"result of a burnt car valve\" class=\"wp-image-87082\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/burnt-valve-result-1024x971.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/burnt-valve-result-300x284.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/burnt-valve-result-768x728.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/burnt-valve-result-150x142.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/burnt-valve-result.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">The steps to fix a misfiring engine will be different depending on the diagnosis. For example, a burnt valve will cause a loss of compression and a steady misfire, but the head has to be removed to take care of a problem like the one shown in the photo. | Image Source: Richard McCuistian<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get Replacement Parts for Your Ride<\/h2>\n\n\n\n<p>Because there are many potential causes for engine misfires, fixing the issue can prove challenging. Good thing you can find exactly what you need here at <a href=\"https:\/\/www.carparts.com\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"CarParts.com\">CarParts.com<\/a> without any hassle.<\/p>\n\n\n\n<p>We have an extensive selection of replacement parts, ensuring a quick and convenient solution to get you back on the road. Eliminate the need to visit multiple physical stores in search of replacement parts. Our catalog covers everything from ignition system components to emissions equipment parts.<\/p>\n\n\n\n<p>Simply search for the part you need, use the vehicle selector to view compatible parts, and change the filters to your needs. It&rsquo;s that easy. Our products come with a low price guarantee, so you won&rsquo;t have to break the bank to repair your ride.<\/p>\n\n\n\n<p>We also guarantee quality. Not only do we source our parts from top brands but all our products are also stringently tested during manufacturing to ensure they comply with industry standards.<\/p>\n\n\n\n<p>Don&rsquo;t let faulty components ruin your trip. Check out the replacement parts you need and order today!<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>The dreaded check engine light (CEL) is always worrisome whenever it turns on. But when the light illuminates (or starts&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1643,"featured_media":45242,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[52,3751],"tags":[1623,1232,1185,1169,1462,1171,1187],"ppma_author":[2622],"class_list":{"0":"post-45239","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-warning-lights","9":"tag-crankshaft-position-sensor-2","10":"tag-egr-valve-2","11":"tag-fuel-injector-2","12":"tag-ignition-coil-2","13":"tag-mass-air-flow-sensor-2","14":"tag-spark-plug-2","15":"tag-timing-chain-2","16":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why Is My Car Shaking and the Check Engine Light is On? FAQ - In The Garage with CarParts.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why Is My Car Shaking and the Check Engine Light is On? FAQ - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Reading Time:  5 minutesThe dreaded check engine light (CEL) is always worrisome whenever it turns on. But when the light illuminates (or starts... Read More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2021-10-22T09:14:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-11T03:09:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-icon-close-up-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1365\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mia Bevacqua, ASE Certified Master Automobile Technician\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mia Bevacqua, ASE Certified Master Automobile Technician\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"1643\",\"name\":\"Mia Bevacqua\",\"jobTitle\":\"ASE Master Automobile Technician\",\"description\":\"Mia Bevacqua has over 14 years of experience in the auto industry and holds a bachelor\u2019s degree in Advanced Automotive Systems. Certifications include ASE Master Automobile Technician, Master Medium\\\/Heavy Truck Technician, L1, L2, L3, and L4 Advanced Level Specialist. Mia loves fixer-upper oddballs, like her 1987 Cavalier Z-24 and 1998 Astro Van AWD.\",\"knowsAbout\":\"Auto Repair, Car Maintenance, Auto Parts, Car Reviews\",\"publishingPrinciples\":\"\\\/blog\\\/our-team\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/miabevacqua\",\"sameAs\":\"https:\\\/\\\/www.linkedin.com\\\/in\\\/mia-bevacqua-55b3a485\"}],\"headline\":\"Why Is My Car Shaking and the Check Engine Light is On? FAQ\",\"datePublished\":\"2021-10-22T09:14:17+00:00\",\"dateModified\":\"2025-09-11T03:09:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/\"},\"wordCount\":1265,\"commentCount\":3,\"publisher\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/10\\\/check-engine-light-icon-close-up-scaled.jpg\",\"keywords\":[\"crankshaft-position-sensor\",\"egr-valve\",\"fuel-injector\",\"ignition-coil\",\"mass-air-flow-sensor\",\"spark-plug\",\"timing-chain\"],\"articleSection\":[\"DIY\",\"Warning Lights\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/#respond\"]}]},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/\",\"name\":\"Why Is My Car Shaking and the Check Engine Light is On? FAQ - In The Garage with CarParts.com\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/10\\\/check-engine-light-icon-close-up-scaled.jpg\",\"datePublished\":\"2021-10-22T09:14:17+00:00\",\"dateModified\":\"2025-09-11T03:09:16+00:00\",\"mainEntity\":[{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/#faq-question-1653633755816\"},{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/#faq-question-1653633762678\"}],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/10\\\/check-engine-light-icon-close-up-scaled.jpg\",\"contentUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/10\\\/check-engine-light-icon-close-up-scaled.jpg\",\"width\":2048,\"height\":1365,\"caption\":\"check engine light icon close up\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/\",\"name\":\"In The Garage with CarParts.com\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#organization\",\"name\":\"CarParts.com\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/cp-itg-logo.png\",\"contentUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/cp-itg-logo.png\",\"width\":2048,\"height\":398,\"caption\":\"CarParts.com\"},\"image\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/carpartscom\",\"https:\\\/\\\/x.com\\\/carpartscom\",\"https:\\\/\\\/www.instagram.com\\\/carpartscom\",\"https:\\\/\\\/www.youtube.com\\\/@CarPartscomOfficial\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#\\\/schema\\\/person\\\/24fe92f285c72928a6fcb1acb4120275\",\"name\":\"Mia Bevacqua\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/11\\\/mia-bevacqua-chief-mechanic.png941b63fd087354398e10f659516b809a\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/11\\\/mia-bevacqua-chief-mechanic.png\",\"contentUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/11\\\/mia-bevacqua-chief-mechanic.png\",\"caption\":\"Mia Bevacqua\"},\"description\":\"Mia Bevacqua has over 14 years of experience in the auto industry and holds a bachelor\u2019s degree in Advanced Automotive Systems. Certifications include ASE Master Automobile Technician, Master Medium\\\/Heavy Truck Technician, L1, L2, L3, and L4 Advanced Level Specialist. Mia loves fixer-upper oddballs, like her 1987 Cavalier Z-24 and 1998 Astro Van AWD.\",\"sameAs\":[\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/miabevacqua\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/mia-bevacqua-55b3a485\"],\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/miabevacqua\\\/\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/#faq-question-1653633755816\",\"position\":1,\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/#faq-question-1653633755816\",\"name\":\"Is It Safe to Drive When Your Car is Shaking and the Check Engine Light is\u00a0 Flashing?\u00a0\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"You should not continue to drive when the car is shaking and the check engine light is on. Such a scenario often indicates that your car is suffering from a severe misfire, which could damage the <a aria-label=\\\"catalytic converter\\\" href=\\\"https:\\\/\\\/www.carparts.com\\\/catalytic-converter\\\" target=\\\"_blank\\\" rel=\\\"noreferrer noopener\\\">catalytic converter<\\\/a> and other costly components.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/#faq-question-1653633762678\",\"position\":2,\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\\\/#faq-question-1653633762678\",\"name\":\"How to Fix a Check Engine Light Flashing with the Car Shaking\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"There are multiple reasons why your engine might be misfiring badly enough to cause a check engine light and shaking. Therefore, there isn\u2019t a magic bullet fix for the issue. The solution for a Kia Optima shaking when idle might be different from a Prius engine shaking while starting. If your car started shaking or your car is shaking when starting up, you (or your mechanic) will need to diagnose the problem, then perform the necessary repairs.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Why Is My Car Shaking and the Check Engine Light is On? FAQ - In The Garage with CarParts.com","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/","og_locale":"en_US","og_type":"article","og_title":"Why Is My Car Shaking and the Check Engine Light is On? FAQ - In The Garage with CarParts.com","og_description":"Reading Time:  5 minutesThe dreaded check engine light (CEL) is always worrisome whenever it turns on. But when the light illuminates (or starts... Read More","og_url":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/","og_site_name":"In The Garage with CarParts.com","article_publisher":"https:\/\/www.facebook.com\/carpartscom","article_published_time":"2021-10-22T09:14:17+00:00","article_modified_time":"2025-09-11T03:09:16+00:00","og_image":[{"width":2048,"height":1365,"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-icon-close-up-scaled.jpg","type":"image\/jpeg"}],"author":"Mia Bevacqua, ASE Certified Master Automobile Technician","twitter_card":"summary_large_image","twitter_creator":"@carpartscom","twitter_site":"@carpartscom","twitter_misc":{"Written by":"Mia Bevacqua, ASE Certified Master Automobile Technician","Est. reading time":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#article","isPartOf":{"@id":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/"},"author":[{"@type":"Person","$id":"1643","name":"Mia Bevacqua","jobTitle":"ASE Master Automobile Technician","description":"Mia Bevacqua has over 14 years of experience in the auto industry and holds a bachelor\u2019s degree in Advanced Automotive Systems. Certifications include ASE Master Automobile Technician, Master Medium\/Heavy Truck Technician, L1, L2, L3, and L4 Advanced Level Specialist. Mia loves fixer-upper oddballs, like her 1987 Cavalier Z-24 and 1998 Astro Van AWD.","knowsAbout":"Auto Repair, Car Maintenance, Auto Parts, Car Reviews","publishingPrinciples":"\/blog\/our-team\/","url":"https:\/\/www.carparts.com\/blog\/author\/miabevacqua","sameAs":"https:\/\/www.linkedin.com\/in\/mia-bevacqua-55b3a485"}],"headline":"Why Is My Car Shaking and the Check Engine Light is On? FAQ","datePublished":"2021-10-22T09:14:17+00:00","dateModified":"2025-09-11T03:09:16+00:00","mainEntityOfPage":{"@id":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/"},"wordCount":1265,"commentCount":3,"publisher":{"@id":"https:\/\/www.carparts.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#primaryimage"},"thumbnailUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-icon-close-up-scaled.jpg","keywords":["crankshaft-position-sensor","egr-valve","fuel-injector","ignition-coil","mass-air-flow-sensor","spark-plug","timing-chain"],"articleSection":["DIY","Warning Lights"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#respond"]}]},{"@type":["WebPage","FAQPage"],"@id":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/","url":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/","name":"Why Is My Car Shaking and the Check Engine Light is On? FAQ - In The Garage with CarParts.com","isPartOf":{"@id":"https:\/\/www.carparts.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#primaryimage"},"image":{"@id":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#primaryimage"},"thumbnailUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-icon-close-up-scaled.jpg","datePublished":"2021-10-22T09:14:17+00:00","dateModified":"2025-09-11T03:09:16+00:00","mainEntity":[{"@id":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#faq-question-1653633755816"},{"@id":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#faq-question-1653633762678"}],"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#primaryimage","url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-icon-close-up-scaled.jpg","contentUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-icon-close-up-scaled.jpg","width":2048,"height":1365,"caption":"check engine light icon close up"},{"@type":"WebSite","@id":"https:\/\/www.carparts.com\/blog\/#website","url":"https:\/\/www.carparts.com\/blog\/","name":"In The Garage with CarParts.com","description":"","publisher":{"@id":"https:\/\/www.carparts.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.carparts.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.carparts.com\/blog\/#organization","name":"CarParts.com","url":"https:\/\/www.carparts.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.carparts.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2025\/03\/cp-itg-logo.png","contentUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2025\/03\/cp-itg-logo.png","width":2048,"height":398,"caption":"CarParts.com"},"image":{"@id":"https:\/\/www.carparts.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/carpartscom","https:\/\/x.com\/carpartscom","https:\/\/www.instagram.com\/carpartscom","https:\/\/www.youtube.com\/@CarPartscomOfficial\/"]},{"@type":"Person","@id":"https:\/\/www.carparts.com\/blog\/#\/schema\/person\/24fe92f285c72928a6fcb1acb4120275","name":"Mia Bevacqua","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/mia-bevacqua-chief-mechanic.png941b63fd087354398e10f659516b809a","url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/mia-bevacqua-chief-mechanic.png","contentUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/mia-bevacqua-chief-mechanic.png","caption":"Mia Bevacqua"},"description":"Mia Bevacqua has over 14 years of experience in the auto industry and holds a bachelor\u2019s degree in Advanced Automotive Systems. Certifications include ASE Master Automobile Technician, Master Medium\/Heavy Truck Technician, L1, L2, L3, and L4 Advanced Level Specialist. Mia loves fixer-upper oddballs, like her 1987 Cavalier Z-24 and 1998 Astro Van AWD.","sameAs":["https:\/\/www.carparts.com\/blog\/author\/miabevacqua","https:\/\/www.linkedin.com\/in\/mia-bevacqua-55b3a485"],"url":"https:\/\/www.carparts.com\/blog\/author\/miabevacqua\/"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#faq-question-1653633755816","position":1,"url":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#faq-question-1653633755816","name":"Is It Safe to Drive When Your Car is Shaking and the Check Engine Light is\u00a0 Flashing?\u00a0","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"You should not continue to drive when the car is shaking and the check engine light is on. Such a scenario often indicates that your car is suffering from a severe misfire, which could damage the <a aria-label=\"catalytic converter\" href=\"https:\/\/www.carparts.com\/catalytic-converter\" target=\"_blank\" rel=\"noreferrer noopener\">catalytic converter<\/a> and other costly components.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#faq-question-1653633762678","position":2,"url":"https:\/\/www.carparts.com\/blog\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/#faq-question-1653633762678","name":"How to Fix a Check Engine Light Flashing with the Car Shaking","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"There are multiple reasons why your engine might be misfiring badly enough to cause a check engine light and shaking. Therefore, there isn\u2019t a magic bullet fix for the issue. The solution for a Kia Optima shaking when idle might be different from a Prius engine shaking while starting. If your car started shaking or your car is shaking when starting up, you (or your mechanic) will need to diagnose the problem, then perform the necessary repairs.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"featured_image_src":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-icon-close-up-scaled.jpg","featured_image_src_square":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-icon-close-up-scaled.jpg","author_info":{"display_name":"Mia Bevacqua, ASE Certified Master Automobile Technician","author_link":"https:\/\/www.carparts.com\/blog\/author\/miabevacqua\/"},"authors":[{"term_id":2622,"user_id":1643,"is_guest":0,"slug":"miabevacqua","display_name":"Mia Bevacqua, ASE Certified Master Automobile Technician","avatar_url":{"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/mia-bevacqua-chief-mechanic.png","url2x":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/mia-bevacqua-chief-mechanic.png"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/45239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/users\/1643"}],"replies":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/comments?post=45239"}],"version-history":[{"count":0,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/45239\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media\/45242"}],"wp:attachment":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media?parent=45239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/categories?post=45239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/tags?post=45239"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/ppma_author?post=45239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}