{"id":122292,"date":"2024-11-26T23:55:49","date_gmt":"2024-11-27T07:55:49","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=122292"},"modified":"2025-02-12T05:50:54","modified_gmt":"2025-02-12T13:50:54","slug":"why-does-my-car-idle-rough","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/","title":{"rendered":"Why Does My Car Idle Rough?"},"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\"> 6<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column122292_38de9b-5b > .kt-inside-inner-col,.kadence-column122292_38de9b-5b > .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-column122292_38de9b-5b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column122292_38de9b-5b > .kt-inside-inner-col{flex-direction:column;}.kadence-column122292_38de9b-5b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column122292_38de9b-5b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column122292_38de9b-5b{position:relative;}@media all and (max-width: 1024px){.kadence-column122292_38de9b-5b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column122292_38de9b-5b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column122292_38de9b-5b inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-62956a  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-c72ee9\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading122292_1dbd33-ab, .wp-block-kadence-advancedheading.kt-adv-heading122292_1dbd33-ab[data-kb-block=\"kb-adv-heading122292_1dbd33-ab\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading122292_1dbd33-ab mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading122292_1dbd33-ab[data-kb-block=\"kb-adv-heading122292_1dbd33-ab\"] 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-heading122292_1dbd33-ab img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading122292_1dbd33-ab[data-kb-block=\"kb-adv-heading122292_1dbd33-ab\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading122292_1dbd33-ab summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading122292_1dbd33-ab\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bad spark plugs, dirty fuel injectors, a faulty carburetor, and low engine compression can cause rough idling.<\/li>\n\n\n\n<li>Dirty air filters and vacuum leaks can also lead to a rough idle.<\/li>\n\n\n\n<li>Faulty oxygen sensors and PCV valves can negatively affect the engine&rsquo;s idling.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Does your car bounce or shake when you put it in idle? Does its engine rev inconsistently or idle below 600 RPM? Do you hear shaking or skipping sounds? It sounds like your vehicle has a case of rough idling. This problem can lead to engine damage that&rsquo;s costly to fix. Or maybe not. But it needs to be take care of.<\/p>\n\n\n\n<p>There are several possible reasons behind the rough idle in your vehicle. Knowing the common causes of rough idling makes it easier to resolve the issue and restore your vehicle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Causes Rough Idle In My Car?<\/h2>\n\n\n\n<p>Here are the most common reasons for rough idling in your car:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bad or Dirty Spark Plugs<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/spark-plug\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Spark plugs\">Spark plugs<\/a> ignite the fuel in the cylinder by generating an electric spark between the center and grounding electrodes. A bad car spark plug degrades the consistency and efficiency of fuel combustion. It can cause the air-fuel mixture to burn incompletely, causing rough idling. Sometimes, you can clean a dirty spark plug to restore its performance. However, a damaged spark plug will require replacement.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/valve-stem-seal-leaks-caused-unique-puffy-tan-colored-dry-oil-deposits.jpg\" alt=\"valve stem seal leaks caused unique puffy tan colored dry oil deposits\" class=\"wp-image-131098\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/valve-stem-seal-leaks-caused-unique-puffy-tan-colored-dry-oil-deposits.jpg 500w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/valve-stem-seal-leaks-caused-unique-puffy-tan-colored-dry-oil-deposits-300x300.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/valve-stem-seal-leaks-caused-unique-puffy-tan-colored-dry-oil-deposits-75x75.jpg 75w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/valve-stem-seal-leaks-caused-unique-puffy-tan-colored-dry-oil-deposits-96x96.jpg 96w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/valve-stem-seal-leaks-caused-unique-puffy-tan-colored-dry-oil-deposits-150x150.jpg 150w\" sizes=\"(max-width: 500px) 100vw, 500px\"><figcaption class=\"wp-element-caption\">Valve stem seal leaks will cause unique puffy tan colored dry oil deposits like the ones shown in the photo. These deposits can cause random idle miss or surging while driving. If you see this kind of deposit and also notice blue smoke at idle or a lot of blue smoke (not steam) that happens when you start the vehicle after it has been sitting for a few hours, the valve stem seals may need replacing. | Image Source: Richard McCuistian<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"771\" height=\"644\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/a-wet-and-greasy-black-spark-plug.png\" alt=\"a wet and greasy black spark plug\" class=\"wp-image-131099\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/a-wet-and-greasy-black-spark-plug.png 771w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/a-wet-and-greasy-black-spark-plug-300x251.png 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/a-wet-and-greasy-black-spark-plug-768x641.png 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/a-wet-and-greasy-black-spark-plug-150x125.png 150w\" sizes=\"(max-width: 771px) 100vw, 771px\"><figcaption class=\"wp-element-caption\">A wet and greasy black spark plug (see photo) may just be wet and greasy because it has stopped firing. In other words, the plug may have failed and that&rsquo;s why it appears to be fouled.&nbsp;<br>Replace a plug like that to see if the cylinder starts firing. If it stops firing again after a short time and the plug is wet again, there could be an oil consumption issue on that cylinder. Look for blue smoke at the exhaust pipe. | Image Source: Richard McCuistian<br><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/a-sooty-spark-plug-from-an-engine-that-has-been-running-too-rich-1024x575.jpg\" alt=\"a sooty spark plug from an engine that has been running too rich\" class=\"wp-image-131100\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/a-sooty-spark-plug-from-an-engine-that-has-been-running-too-rich-1024x575.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/a-sooty-spark-plug-from-an-engine-that-has-been-running-too-rich-300x169.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/a-sooty-spark-plug-from-an-engine-that-has-been-running-too-rich-768x432.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/a-sooty-spark-plug-from-an-engine-that-has-been-running-too-rich-1536x863.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/a-sooty-spark-plug-from-an-engine-that-has-been-running-too-rich-150x84.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/a-sooty-spark-plug-from-an-engine-that-has-been-running-too-rich.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">This photo shows a sooty spark plug from an engine that has been running too rich. This cylinder was firing (note the tip of the electrode is clean), but the engine has an issue that needs to be handled. | Image Source: Richard McCuistian<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Quick Test for Engine Misfire<\/h3>\n\n\n\n<p>Find out if the engine is misfiring by holding a cloth by the exhaust pipe at the rear of the car. If it&rsquo;s not skipping, you&rsquo;ll feel a steady purr of exhaust. When it misfires you&rsquo;ll feel a &ldquo;puff&rdquo; that feels different from the &ldquo;purr.&rdquo; See this video for a random intermittent misfire and what caused it:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Intermittent Misfire.wmv\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/m7C020Dul5U?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>This kind of misfire often won&rsquo;t set a misfire code. A plug that is partially fouled or gapped a bit too close will also cause a random idle misfire like the one you see in the video.<\/p>\n\n\n<style>.kadence-column122292_58889a-4a > .kt-inside-inner-col,.kadence-column122292_58889a-4a > .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-column122292_58889a-4a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column122292_58889a-4a > .kt-inside-inner-col{flex-direction:column;}.kadence-column122292_58889a-4a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column122292_58889a-4a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column122292_58889a-4a{position:relative;}@media all and (max-width: 1024px){.kadence-column122292_58889a-4a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column122292_58889a-4a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column122292_58889a-4a 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-id122292_7b9d55-06 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id122292_7b9d55-06 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id122292_7b9d55-06 > .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-id122292_7b9d55-06 > .kt-row-layout-overlay{opacity:0.00;}.kb-row-layout-id122292_7b9d55-06 .kt-row-layout-bottom-sep{height:100px;}.kb-row-layout-id122292_7b9d55-06 .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id122292_7b9d55-06 .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}.kb-row-layout-id122292_7b9d55-06 .kt-row-layout-top-sep{height:100px;}.kb-row-layout-id122292_7b9d55-06 .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id122292_7b9d55-06 .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){.kb-row-layout-id122292_7b9d55-06 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){.kb-row-layout-id122292_7b9d55-06 .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id122292_7b9d55-06 .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id122292_7b9d55-06 > .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-id122292_7b9d55-06 .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id122292_7b9d55-06 .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id122292_7b9d55-06 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-column122292_653288-aa > .kt-inside-inner-col{display:flex;}.kadence-column122292_653288-aa > .kt-inside-inner-col{min-height:45px;}.kadence-column122292_653288-aa > .kt-inside-inner-col,.kadence-column122292_653288-aa > .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-column122292_653288-aa > .kt-inside-inner-col{row-gap:0px;column-gap:0px;}.kadence-column122292_653288-aa > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column122292_653288-aa > .kt-inside-inner-col > *, .kadence-column122292_653288-aa > .kt-inside-inner-col > figure.wp-block-image, .kadence-column122292_653288-aa > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column122292_653288-aa > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column122292_653288-aa > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column122292_653288-aa{position:relative;}@media all and (max-width: 1024px){.kadence-column122292_653288-aa > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column122292_653288-aa > .kt-inside-inner-col > *, .kadence-column122292_653288-aa > .kt-inside-inner-col > figure.wp-block-image, .kadence-column122292_653288-aa > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column122292_653288-aa > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column122292_653288-aa > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column122292_653288-aa > .kt-inside-inner-col > *, .kadence-column122292_653288-aa > .kt-inside-inner-col > figure.wp-block-image, .kadence-column122292_653288-aa > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column122292_653288-aa > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column122292_653288-aa kb-section-dir-horizontal kb-section-md-dir-horizontal inner-column-1 pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image122292_a89adb-5c.kb-image-is-ratio-size, .kb-image122292_a89adb-5c .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image122292_a89adb-5c.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image122292_a89adb-5c .kb-image-is-ratio-size{align-self:unset;}.kb-image122292_a89adb-5c figure{max-width:45px;}.kb-image122292_a89adb-5c .image-is-svg, .kb-image122292_a89adb-5c .image-is-svg img{width:100%;}.kb-image122292_a89adb-5c .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image122292_a89adb-5c\"><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-column122292_7f567d-d2 > .kt-inside-inner-col,.kadence-column122292_7f567d-d2 > .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-column122292_7f567d-d2 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column122292_7f567d-d2 > .kt-inside-inner-col{flex-direction:column;}.kadence-column122292_7f567d-d2 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column122292_7f567d-d2 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column122292_7f567d-d2{position:relative;}@media all and (max-width: 1024px){.kadence-column122292_7f567d-d2 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column122292_7f567d-d2 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column122292_7f567d-d2 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>\nIf the engine seems to be idling rough but the exhaust feels smooth, look for engine mount issues. A soft engine mount will sometimes allow engine vibrations to feel like the vehicle has a rough idle.\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Dirty Fuel Injectors<\/h3>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/fuel-injector\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fuel injector\">fuel injector<\/a> has a pintle that lifts off its seat to allow fuel to spray out in an atomized form. On non-GDI engines, the fuel is delivered in the intake manifold right behind the intake valve and the fuel mist is carried with the air into the cylinder when the intake valve opens.<\/p>\n\n\n\n<p>A <a href=\"https:\/\/www.carparts.com\/blog\/how-to-clean-fuel-injectors\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"dirty fuel injector\">dirty fuel injector<\/a> can get stuck, interrupting the engine&rsquo;s fuel supply and causing issues like rough idling, though this is uncommon. If a vehicle has regularly received fuel from a rusty fuel supply tank on a farm or from a rusty can, those rust particles can be small enough to pass right through the fuel filter and clog the injectors. Where there&rsquo;s little or no fuel flow, there&rsquo;ll be a misfire.<\/p>\n\n\n<style>.kadence-column122292_673115-bc > .kt-inside-inner-col,.kadence-column122292_673115-bc > .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-column122292_673115-bc > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column122292_673115-bc > .kt-inside-inner-col{flex-direction:column;}.kadence-column122292_673115-bc > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column122292_673115-bc > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column122292_673115-bc{position:relative;}@media all and (max-width: 1024px){.kadence-column122292_673115-bc > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column122292_673115-bc > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column122292_673115-bc 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-id122292_97ad64-2d > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id122292_97ad64-2d > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id122292_97ad64-2d > .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-id122292_97ad64-2d > .kt-row-layout-overlay{opacity:0.00;}.kb-row-layout-id122292_97ad64-2d .kt-row-layout-bottom-sep{height:100px;}.kb-row-layout-id122292_97ad64-2d .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id122292_97ad64-2d .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}.kb-row-layout-id122292_97ad64-2d .kt-row-layout-top-sep{height:100px;}.kb-row-layout-id122292_97ad64-2d .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id122292_97ad64-2d .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){.kb-row-layout-id122292_97ad64-2d > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){.kb-row-layout-id122292_97ad64-2d .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id122292_97ad64-2d .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id122292_97ad64-2d > .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-id122292_97ad64-2d .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id122292_97ad64-2d .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id122292_97ad64-2d 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-column122292_e4edcf-19 > .kt-inside-inner-col{display:flex;}.kadence-column122292_e4edcf-19 > .kt-inside-inner-col{min-height:45px;}.kadence-column122292_e4edcf-19 > .kt-inside-inner-col,.kadence-column122292_e4edcf-19 > .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-column122292_e4edcf-19 > .kt-inside-inner-col{row-gap:0px;column-gap:0px;}.kadence-column122292_e4edcf-19 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column122292_e4edcf-19 > .kt-inside-inner-col > *, .kadence-column122292_e4edcf-19 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column122292_e4edcf-19 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column122292_e4edcf-19 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column122292_e4edcf-19 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column122292_e4edcf-19{position:relative;}@media all and (max-width: 1024px){.kadence-column122292_e4edcf-19 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column122292_e4edcf-19 > .kt-inside-inner-col > *, .kadence-column122292_e4edcf-19 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column122292_e4edcf-19 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column122292_e4edcf-19 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column122292_e4edcf-19 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column122292_e4edcf-19 > .kt-inside-inner-col > *, .kadence-column122292_e4edcf-19 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column122292_e4edcf-19 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column122292_e4edcf-19 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column122292_e4edcf-19 kb-section-dir-horizontal kb-section-md-dir-horizontal inner-column-1 pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image122292_139234-48.kb-image-is-ratio-size, .kb-image122292_139234-48 .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image122292_139234-48.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image122292_139234-48 .kb-image-is-ratio-size{align-self:unset;}.kb-image122292_139234-48 figure{max-width:45px;}.kb-image122292_139234-48 .image-is-svg, .kb-image122292_139234-48 .image-is-svg img{width:100%;}.kb-image122292_139234-48 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image122292_139234-48\"><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-column122292_1064a5-ca > .kt-inside-inner-col,.kadence-column122292_1064a5-ca > .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-column122292_1064a5-ca > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column122292_1064a5-ca > .kt-inside-inner-col{flex-direction:column;}.kadence-column122292_1064a5-ca > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column122292_1064a5-ca > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column122292_1064a5-ca{position:relative;}@media all and (max-width: 1024px){.kadence-column122292_1064a5-ca > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column122292_1064a5-ca > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column122292_1064a5-ca 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>\nInjector wiring issues can cause misfires. Rats and squirrels like to chew wires.\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>You can check the fuel injector for issues by touching a long screwdriver against each injector (if you can get to them) and hold the handle end of the screwdriver to your ear. Better yet, get a cheap mechanic&rsquo;s stethoscope and do this. If the injector ticks erratically or goes &ldquo;cluck cluck&rdquo; when the other injectors go &ldquo;click click&rdquo; or if it doesn&rsquo;t make a sound, you might need to clean or replace it.<\/p>\n\n\n\n<p>But here&rsquo;s a caveat: if the PCM detects a misfire for some other reason, it&rsquo;ll shut down the injector (on most vehicles since the mid &lsquo;90s) on that cylinder to prevent damage to the catalyst, so a non-functioning injector that starts out clicking and then stops clicking after the engine has been running for a minute or so may not be the cause of the skip; something to keep in mind.<\/p>\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\">Carburetor Problems<\/h3>\n\n\n\n<p>Older car models rely on a <a href=\"https:\/\/www.carparts.com\/carburetor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"carburetor\">carburetor<\/a> to mix air and fuel in the correct ratio for efficient combustion.<\/p>\n\n\n\n<p>As the vehicle and its carburetor put on the years, they become more prone to developing issues. A bad carburetor can produce a lean air-fuel mixture, leading to rough idling.<\/p>\n\n\n\n<p>With the air cleaner removed and the engine idling rough, lay a rag over the top of the carburetor. If it runs better, look for a vacuum leak, and realize that the idle mixture may be adjusted by a mechanic.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Low Engine Compression<\/h3>\n\n\n\n<p>Older, high-mileage (100,000 miles or more) cars are more prone to have low <a href=\"https:\/\/www.carparts.com\/blog\/checking-on-your-vehicles-engine-with-a-compression-test\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"engine compression\">engine compression<\/a> in a cylinder due to worn piston rings or issues with the valves.<\/p>\n\n\n<style>.kadence-column122292_708cd7-76 > .kt-inside-inner-col,.kadence-column122292_708cd7-76 > .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-column122292_708cd7-76 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column122292_708cd7-76 > .kt-inside-inner-col{flex-direction:column;}.kadence-column122292_708cd7-76 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column122292_708cd7-76 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column122292_708cd7-76{position:relative;}@media all and (max-width: 1024px){.kadence-column122292_708cd7-76 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column122292_708cd7-76 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column122292_708cd7-76 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-id122292_ea3382-5e > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id122292_ea3382-5e > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id122292_ea3382-5e > .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-id122292_ea3382-5e > .kt-row-layout-overlay{opacity:0.00;}.kb-row-layout-id122292_ea3382-5e .kt-row-layout-bottom-sep{height:100px;}.kb-row-layout-id122292_ea3382-5e .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id122292_ea3382-5e .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}.kb-row-layout-id122292_ea3382-5e .kt-row-layout-top-sep{height:100px;}.kb-row-layout-id122292_ea3382-5e .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id122292_ea3382-5e .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){.kb-row-layout-id122292_ea3382-5e > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){.kb-row-layout-id122292_ea3382-5e .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id122292_ea3382-5e .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id122292_ea3382-5e > .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-id122292_ea3382-5e .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id122292_ea3382-5e .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id122292_ea3382-5e 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-column122292_397232-d9 > .kt-inside-inner-col{display:flex;}.kadence-column122292_397232-d9 > .kt-inside-inner-col{min-height:45px;}.kadence-column122292_397232-d9 > .kt-inside-inner-col,.kadence-column122292_397232-d9 > .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-column122292_397232-d9 > .kt-inside-inner-col{row-gap:0px;column-gap:0px;}.kadence-column122292_397232-d9 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column122292_397232-d9 > .kt-inside-inner-col > *, .kadence-column122292_397232-d9 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column122292_397232-d9 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column122292_397232-d9 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column122292_397232-d9 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column122292_397232-d9{position:relative;}@media all and (max-width: 1024px){.kadence-column122292_397232-d9 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column122292_397232-d9 > .kt-inside-inner-col > *, .kadence-column122292_397232-d9 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column122292_397232-d9 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column122292_397232-d9 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column122292_397232-d9 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column122292_397232-d9 > .kt-inside-inner-col > *, .kadence-column122292_397232-d9 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column122292_397232-d9 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column122292_397232-d9 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column122292_397232-d9 kb-section-dir-horizontal kb-section-md-dir-horizontal inner-column-1 pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image122292_25d524-0c.kb-image-is-ratio-size, .kb-image122292_25d524-0c .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image122292_25d524-0c.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image122292_25d524-0c .kb-image-is-ratio-size{align-self:unset;}.kb-image122292_25d524-0c figure{max-width:45px;}.kb-image122292_25d524-0c .image-is-svg, .kb-image122292_25d524-0c .image-is-svg img{width:100%;}.kb-image122292_25d524-0c .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image122292_25d524-0c\"><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-column122292_712af5-9a > .kt-inside-inner-col,.kadence-column122292_712af5-9a > .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-column122292_712af5-9a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column122292_712af5-9a > .kt-inside-inner-col{flex-direction:column;}.kadence-column122292_712af5-9a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column122292_712af5-9a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column122292_712af5-9a{position:relative;}@media all and (max-width: 1024px){.kadence-column122292_712af5-9a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column122292_712af5-9a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column122292_712af5-9a 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>\nMany Hondas require valve adjustments and can idle rough if the valves haven&rsquo;t been adjusted regularly.\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>If the engine has a misfiring cylinder, compare the way it sounds spinning to the way a healthy engine with the same number of cylinders sounds. If you can hear the engine pick up speed at one spot while spinning (it&rsquo;s easy to hear), then one cylinder has low compression. This will be something deep in the engine that you may need to hire done, or you may need to replace the engine or have it done.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vacuum Leaks<\/h3>\n\n\n\n<p>Rough idling can also happen because of <a href=\"https:\/\/www.carparts.com\/blog\/vacuum-leak-symptoms-causes-how-to-fix\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"intake vacuum leaks\">intake vacuum leaks<\/a>. Hoses, gaskets, etc. can leak and cause a rough idle.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dirty Air Filter<\/h3>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/air-filter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"air filter\">air filter<\/a> stops dirt and other contaminants that can damage the engine. If it gets <a href=\"https:\/\/www.carparts.com\/blog\/heres-what-happens-when-your-cars-engine-air-filter-is-dirty\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"extremely dirty\">extremely dirty<\/a> to the point of being clogged, it may cause a rough idle. Inspect the air filter regularly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bad PCV Valve<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/pcv-valve\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"PCV valves\">PCV valves<\/a> are specific to the engine and system and you need to make sure you use the right one. They don&rsquo;t usually cause a rough idle, even if they&rsquo;re totally clogged, but they will cause a lot of oil steam to enter the breather when they clog.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get Spark Plugs, Fuel Injectors, and Carburetors for Your Car<\/h2>\n\n\n\n<p>As mentioned, some possible reasons why your car may idle rough include issues with the <a href=\"https:\/\/www.carparts.com\/spark-plug\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"spark plug\">spark plug<\/a>, <a href=\"https:\/\/www.carparts.com\/fuel-injector\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fuel injector\">fuel injector<\/a>, or <a href=\"https:\/\/www.carparts.com\/carburetor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"carburetor\">carburetor<\/a>. As such, replacing them as soon as they show signs of wear is crucial.<\/p>\n\n\n\n<p><a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a> has an array of high-quality replacement parts sourced from only the most trusted manufacturers in the industry. This means you can expect your replacement auto parts to last as long as stock parts, giving you your money&rsquo;s worth.<\/p>\n\n\n\n<p>We also have warehouses strategically located across the US to speed up the delivery process and increase shipping efficiency. Expect your order to arrive in as fast as two business days.<\/p>\n\n\n\n<p>Shop now, and get the best deals 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\"> 6<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Does your car bounce or shake when you put it in idle? Does its engine rev inconsistently or idle below&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":122596,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"_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":[52,3747],"tags":[1276,338,1185,1231,1171],"ppma_author":[2607,2985],"class_list":{"0":"post-122292","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-engine","9":"tag-air-filter-2","10":"tag-carburetor","11":"tag-fuel-injector-2","12":"tag-pcv-valve-2","13":"tag-spark-plug-2","14":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why Does My Car Idle Rough? - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Why does your vehicle idle rough? Here are the most common reasons for rough idling and how to identify them.\" \/>\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-does-my-car-idle-rough\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why Does My Car Idle Rough? - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Why does your vehicle idle rough? Here are the most common reasons for rough idling and how to identify them.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/\" \/>\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=\"2024-11-27T07:55:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-12T13:50:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/car-idle.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-does-my-car-idle-rough\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-does-my-car-idle-rough\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by CarParts.com&#039;s thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.\",\"knowsAbout\":\"Auto Repair, Car Maintenance, Auto Parts, Car Reviews\",\"publishingPrinciples\":\"\\\/blog\\\/our-team\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/thecpteam\\\/\",\"sameAs\":\"https:\\\/\\\/www.facebook.com\\\/carpartscom, https:\\\/\\\/twitter.com\\\/CarPartscom, https:\\\/\\\/www.youtube.com\\\/@CarPartscomOfficial\\\/, https:\\\/\\\/www.instagram.com\\\/carpartscom\\\/\"},{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"Richard McCuistian\",\"jobTitle\":\"ASE Master Automobile Technician\",\"description\":\"Richard McCuistian has worked for nearly 50 years in the automotive field as a professional technician, an instructor, and a freelance automotive writer for Motor Age, ACtion magazine, Power Stroke Registry, and others. Richard is ASE certified for more than 30 years in 10 categories, including L1 Advanced Engine Performance and Light Vehicle Diesel.\",\"knowsAbout\":\"Auto Repair, Car Maintenance, Auto Parts, Car Reviews\",\"publishingPrinciples\":\"\\\/blog\\\/our-team\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/richardmccuistian\\\/\",\"sameAs\":\"https:\\\/\\\/www.linkedin.com\\\/in\\\/richard-mccuistian-2681891b\\\/, https:\\\/\\\/www.youtube.com\\\/user\\\/McCuistian\"}],\"headline\":\"Why Does My Car Idle Rough?\",\"datePublished\":\"2024-11-27T07:55:49+00:00\",\"dateModified\":\"2025-02-12T13:50:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-does-my-car-idle-rough\\\/\"},\"wordCount\":1477,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-does-my-car-idle-rough\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/11\\\/car-idle.jpg\",\"keywords\":[\"air-filter\",\"carburetor\",\"fuel-injector\",\"pcv-valve\",\"spark-plug\"],\"articleSection\":[\"DIY\",\"Engine\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-does-my-car-idle-rough\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-does-my-car-idle-rough\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-does-my-car-idle-rough\\\/\",\"name\":\"Why Does My Car Idle Rough? - In The Garage with CarParts.com\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-does-my-car-idle-rough\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-does-my-car-idle-rough\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/11\\\/car-idle.jpg\",\"datePublished\":\"2024-11-27T07:55:49+00:00\",\"dateModified\":\"2025-02-12T13:50:54+00:00\",\"description\":\"Why does your vehicle idle rough? Here are the most common reasons for rough idling and how to identify them.\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-does-my-car-idle-rough\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-does-my-car-idle-rough\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/11\\\/car-idle.jpg\",\"contentUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/11\\\/car-idle.jpg\",\"width\":1500,\"height\":1000,\"caption\":\"car idle\"},{\"@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\":\"\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-does-my-car-idle-rough\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Why Does My Car Idle Rough? - In The Garage with CarParts.com","description":"Why does your vehicle idle rough? Here are the most common reasons for rough idling and how to identify them.","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-does-my-car-idle-rough\/","og_locale":"en_US","og_type":"article","og_title":"Why Does My Car Idle Rough? - In The Garage with CarParts.com","og_description":"Why does your vehicle idle rough? Here are the most common reasons for rough idling and how to identify them.","og_url":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/","og_site_name":"In The Garage with CarParts.com","article_publisher":"https:\/\/www.facebook.com\/carpartscom","article_published_time":"2024-11-27T07:55:49+00:00","article_modified_time":"2025-02-12T13:50:54+00:00","og_image":[{"width":1500,"height":1000,"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/car-idle.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_creator":"@carpartscom","twitter_site":"@carpartscom","twitter_misc":{"Written by":"","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/#article","isPartOf":{"@id":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/"},"author":[{"@type":"Person","$id":"4","name":"CarParts.com Research Team","jobTitle":"Expert Automotive Writer","description":"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by CarParts.com&#039;s thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.","knowsAbout":"Auto Repair, Car Maintenance, Auto Parts, Car Reviews","publishingPrinciples":"\/blog\/our-team\/","url":"https:\/\/www.carparts.com\/blog\/author\/thecpteam\/","sameAs":"https:\/\/www.facebook.com\/carpartscom, https:\/\/twitter.com\/CarPartscom, https:\/\/www.youtube.com\/@CarPartscomOfficial\/, https:\/\/www.instagram.com\/carpartscom\/"},{"@type":"Person","$id":"4","name":"Richard McCuistian","jobTitle":"ASE Master Automobile Technician","description":"Richard McCuistian has worked for nearly 50 years in the automotive field as a professional technician, an instructor, and a freelance automotive writer for Motor Age, ACtion magazine, Power Stroke Registry, and others. Richard is ASE certified for more than 30 years in 10 categories, including L1 Advanced Engine Performance and Light Vehicle Diesel.","knowsAbout":"Auto Repair, Car Maintenance, Auto Parts, Car Reviews","publishingPrinciples":"\/blog\/our-team\/","url":"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/","sameAs":"https:\/\/www.linkedin.com\/in\/richard-mccuistian-2681891b\/, https:\/\/www.youtube.com\/user\/McCuistian"}],"headline":"Why Does My Car Idle Rough?","datePublished":"2024-11-27T07:55:49+00:00","dateModified":"2025-02-12T13:50:54+00:00","mainEntityOfPage":{"@id":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/"},"wordCount":1477,"commentCount":0,"publisher":{"@id":"https:\/\/www.carparts.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/#primaryimage"},"thumbnailUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/car-idle.jpg","keywords":["air-filter","carburetor","fuel-injector","pcv-valve","spark-plug"],"articleSection":["DIY","Engine"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/","url":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/","name":"Why Does My Car Idle Rough? - In The Garage with CarParts.com","isPartOf":{"@id":"https:\/\/www.carparts.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/#primaryimage"},"image":{"@id":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/#primaryimage"},"thumbnailUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/car-idle.jpg","datePublished":"2024-11-27T07:55:49+00:00","dateModified":"2025-02-12T13:50:54+00:00","description":"Why does your vehicle idle rough? Here are the most common reasons for rough idling and how to identify them.","inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/#primaryimage","url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/car-idle.jpg","contentUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/car-idle.jpg","width":1500,"height":1000,"caption":"car idle"},{"@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":"","url":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/"}]}},"featured_image_src":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/car-idle.jpg","featured_image_src_square":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/11\/car-idle.jpg","author_info":{"display_name":"","author_link":"https:\/\/www.carparts.com\/blog\/why-does-my-car-idle-rough\/"},"authors":[{"term_id":2607,"user_id":1651,"is_guest":0,"slug":"thecpteam","display_name":"CarParts.com Research Team","avatar_url":{"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/04\/thecpteam.jpg","url2x":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/04\/thecpteam.jpg"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""},{"term_id":2985,"user_id":1646,"is_guest":0,"slug":"richardmccuistian","display_name":"Richard McCuistian, ASE Certified Master Automobile Technician","avatar_url":{"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/richard-mccuistian.png","url2x":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/richard-mccuistian.png"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/122292","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\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/comments?post=122292"}],"version-history":[{"count":0,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/122292\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media\/122596"}],"wp:attachment":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media?parent=122292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/categories?post=122292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/tags?post=122292"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/ppma_author?post=122292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}