{"id":108015,"date":"2024-06-06T05:36:31","date_gmt":"2024-06-06T12:36:31","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=108015"},"modified":"2025-04-11T18:37:11","modified_gmt":"2025-04-12T01:37:11","slug":"how-to-use-fuel-injector-cleaner-and-other-faq","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/how-to-use-fuel-injector-cleaner-and-other-faq\/","title":{"rendered":"How To Use Fuel Injector Cleaner and Other 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\"> 6<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column108015_646652-2a > .kt-inside-inner-col,.kadence-column108015_646652-2a > .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-column108015_646652-2a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column108015_646652-2a > .kt-inside-inner-col{flex-direction:column;}.kadence-column108015_646652-2a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column108015_646652-2a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column108015_646652-2a{position:relative;}@media all and (max-width: 1024px){.kadence-column108015_646652-2a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column108015_646652-2a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column108015_646652-2a inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-f16c97  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-ad2c5a\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading108015_c9ce16-9a, .wp-block-kadence-advancedheading.kt-adv-heading108015_c9ce16-9a[data-kb-block=\"kb-adv-heading108015_c9ce16-9a\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading108015_c9ce16-9a mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading108015_c9ce16-9a[data-kb-block=\"kb-adv-heading108015_c9ce16-9a\"] 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-heading108015_c9ce16-9a img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading108015_c9ce16-9a[data-kb-block=\"kb-adv-heading108015_c9ce16-9a\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading108015_c9ce16-9a summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading108015_c9ce16-9a\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fuel injector cleaners remove carbon buildup and other debris from fuel injectors.<\/strong><\/li>\n\n\n\n<li>Buying the correct fuel injector cleaner, taking the necessary safety precautions, and emptying your fuel tank are some things you need to do when using a fuel injector cleaner.<\/li>\n\n\n\n<li>Most people recommend using a fuel system cleaner every 3,000 miles, but factors such as your driving habits, fuel quality, and your vehicle&rsquo;s age can cause this to vary.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>There&rsquo;s a lot of debate among mechanics and gearheads alike about fuel injector cleaners. Do they actually work? Depending on who you ask, you&rsquo;ll get different answers. Some believe it&rsquo;s not necessary at all, while others swear by it. Why not try it yourself and see what all the hype is about?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does Fuel Injector Cleaner Do?<\/h2>\n\n\n\n<p>Over time, <a href=\"https:\/\/www.carparts.com\/fuel-injector\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fuel injectors\">fuel injectors<\/a> can get <a href=\"https:\/\/www.carparts.com\/blog\/the-top-6-signs-of-bad-fuel-injectors\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"clogged and fail\">clogged and fail<\/a> to supply enough gas to the internal combustion engine. All that buildup can be hard to remove, and this is where fuel injector cleaners come in handy.<\/p>\n\n\n\n<p>They remove carbon buildup and other debris from fuel injector passages, pintles, and orifices. Cleaning the outside of the injector is merely cosmetic.<\/p>\n\n\n\n<p>The caveat is that if the injectors are clogged with rust, no injector cleaning chemical will even begin to unclog them. At best, you can take them off and tap them gently upside down on a piece of soft wood, then use some spray, compressed air, etc. to get that rust out of the injector the best you can. Some steel fuel rails will rust on the inside and cause a similar issue.<\/p>\n\n\n<style>.kadence-column108015_cf9ffd-b3 > .kt-inside-inner-col,.kadence-column108015_cf9ffd-b3 > .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-column108015_cf9ffd-b3 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column108015_cf9ffd-b3 > .kt-inside-inner-col{flex-direction:column;}.kadence-column108015_cf9ffd-b3 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column108015_cf9ffd-b3 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column108015_cf9ffd-b3{position:relative;}@media all and (max-width: 1024px){.kadence-column108015_cf9ffd-b3 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column108015_cf9ffd-b3 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column108015_cf9ffd-b3 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-id108015_8851eb-3a > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id108015_8851eb-3a > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id108015_8851eb-3a > .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-id108015_8851eb-3a > .kt-row-layout-overlay{opacity:0.00;}.kb-row-layout-id108015_8851eb-3a .kt-row-layout-bottom-sep{height:100px;}.kb-row-layout-id108015_8851eb-3a .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id108015_8851eb-3a .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}.kb-row-layout-id108015_8851eb-3a .kt-row-layout-top-sep{height:100px;}.kb-row-layout-id108015_8851eb-3a .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id108015_8851eb-3a .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){.kb-row-layout-id108015_8851eb-3a > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){.kb-row-layout-id108015_8851eb-3a .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id108015_8851eb-3a .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id108015_8851eb-3a > .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-id108015_8851eb-3a .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id108015_8851eb-3a .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id108015_8851eb-3a 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-column108015_4390e4-2f > .kt-inside-inner-col{display:flex;}.kadence-column108015_4390e4-2f > .kt-inside-inner-col{min-height:45px;}.kadence-column108015_4390e4-2f > .kt-inside-inner-col,.kadence-column108015_4390e4-2f > .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-column108015_4390e4-2f > .kt-inside-inner-col{row-gap:0px;column-gap:0px;}.kadence-column108015_4390e4-2f > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column108015_4390e4-2f > .kt-inside-inner-col > *, .kadence-column108015_4390e4-2f > .kt-inside-inner-col > figure.wp-block-image, .kadence-column108015_4390e4-2f > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column108015_4390e4-2f > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column108015_4390e4-2f > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column108015_4390e4-2f{position:relative;}@media all and (max-width: 1024px){.kadence-column108015_4390e4-2f > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column108015_4390e4-2f > .kt-inside-inner-col > *, .kadence-column108015_4390e4-2f > .kt-inside-inner-col > figure.wp-block-image, .kadence-column108015_4390e4-2f > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column108015_4390e4-2f > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column108015_4390e4-2f > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column108015_4390e4-2f > .kt-inside-inner-col > *, .kadence-column108015_4390e4-2f > .kt-inside-inner-col > figure.wp-block-image, .kadence-column108015_4390e4-2f > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column108015_4390e4-2f > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column108015_4390e4-2f kb-section-dir-horizontal kb-section-md-dir-horizontal inner-column-1 pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image108015_55653f-db.kb-image-is-ratio-size, .kb-image108015_55653f-db .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image108015_55653f-db.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image108015_55653f-db .kb-image-is-ratio-size{align-self:unset;}.kb-image108015_55653f-db figure{max-width:45px;}.kb-image108015_55653f-db .image-is-svg, .kb-image108015_55653f-db .image-is-svg img{width:100%;}.kb-image108015_55653f-db .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image108015_55653f-db\"><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-column108015_d1c5cc-ba > .kt-inside-inner-col,.kadence-column108015_d1c5cc-ba > .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-column108015_d1c5cc-ba > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column108015_d1c5cc-ba > .kt-inside-inner-col{flex-direction:column;}.kadence-column108015_d1c5cc-ba > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column108015_d1c5cc-ba > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column108015_d1c5cc-ba{position:relative;}@media all and (max-width: 1024px){.kadence-column108015_d1c5cc-ba > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column108015_d1c5cc-ba > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column108015_d1c5cc-ba 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>\nRust from a farm storage tank or an old steel gas can will produce iron oxide particles so small they can pass right through the fuel filter and make it all the way to the injectors. And again, nothing you run through the injector can dissolve this.\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/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\/car-hesitates-when-accelerating-causes-and-faq\/\" target=\"_self\" rel=\"dofollow\" class=\"uc2f2ca5574e77e4c0a85f882ee7b1d22\"><style> .uc2f2ca5574e77e4c0a85f882ee7b1d22 { 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; } .uc2f2ca5574e77e4c0a85f882ee7b1d22:active, .uc2f2ca5574e77e4c0a85f882ee7b1d22:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .uc2f2ca5574e77e4c0a85f882ee7b1d22 { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .uc2f2ca5574e77e4c0a85f882ee7b1d22 .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .uc2f2ca5574e77e4c0a85f882ee7b1d22 .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .uc2f2ca5574e77e4c0a85f882ee7b1d22: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\">Car Hesitates When Accelerating: Causes and FAQ<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<p>Carbon, olefin deposits, and varnish can be dissolved by injector cleaning chemicals.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Does Fuel Injector Cleaner Work?<\/h2>\n\n\n\n<p>There are two types of fuel injector cleaners: dissolvents and detergents. Dissolvents break down carbon deposits and other debris in the fuel injectors, lines, and other parts, while detergents force carbon buildup to detach and then exit the fuel system.<\/p>\n\n\n\n<p>Both types remove carbon deposits from the fuel injector nozzles and combustion chamber. This results in better fuel economy, a smoother driving experience, and less friction in the entire fuel system.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Should You Use a Fuel Injector Cleaner?<\/h2>\n\n\n\n<p>There are two reasons to use an injector cleaner: the first is if you know the injectors are clogged, the second is if you just want to be a belt-and-suspenders person and make yourself feel better because you did something you thought might help.<\/p>\n\n\n\n<p>Dealer service departments love to upsell injector cleanings whether they&rsquo;re needed or not, and usually they&rsquo;ll bundle it with an &ldquo;upper intake cleaning,&rdquo; and they&rsquo;ll charge quite a lot of money for those services if you&rsquo;ll let them do the work.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Signs Your Fuel Injectors Are Dirty<\/h2>\n\n\n\n<p>To tell if the fuel injectors are dirty and in need of cleaning, watch out for the following symptoms:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rough idling or engine misfires<\/li>\n\n\n\n<li>Reduced fuel efficiency<\/li>\n\n\n\n<li>Sluggish acceleration<\/li>\n\n\n\n<li>Trouble starting the engine<\/li>\n\n\n\n<li>Activated check engine light and a stored trouble code related to the fuel system<\/li>\n<\/ul>\n\n\n\n<p>These issues could indicate something&rsquo;s wrong with the fuel injectors. If they persist after cleaning, then the issue may lie elsewhere.&nbsp;<\/p>\n\n\n\n<p>Even if the fuel injectors are not the main cause of these symptoms, it&rsquo;s still worth cleaning them to prevent complex and costly repairs in the future.<\/p>\n\n\n\n\n\n\n<h2 class=\"wp-block-heading\">How To Use Fuel Injector Cleaner<\/h2>\n\n\n\n<p>Here are some tips on how to use fuel injector cleaners when you&rsquo;re not using a piece of equipment designed to clean the injectors. Incidentally, this involves shutting off the fuel pump and letting the machine or pressurized tank fill the fuel rail with injector cleaning chemical so that the engine runs on it until the chemical is gone.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Buy the Correct Fuel Injector Cleaner<\/h3>\n\n\n\n<p>Before you grab a random fuel injector cleaning kit from the shelf, be sure to do some research first. Some injector cleaning chemicals are better than others.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Take the Necessary Safety Precautions<\/h3>\n\n\n\n<p>Fuel injector cleaner contains toxic chemicals that can cause skin irritation, nausea, and vomiting when ingested, so do whatever you can to keep it off your skin and be careful not to ingest it.<\/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\/p0089-code-fuel-pressure-regulator-performance\/\" target=\"_self\" rel=\"dofollow\" class=\"u89ff791415c76be039995d2f1c53f3c6\"><style> .u89ff791415c76be039995d2f1c53f3c6 { 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; } .u89ff791415c76be039995d2f1c53f3c6:active, .u89ff791415c76be039995d2f1c53f3c6:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .u89ff791415c76be039995d2f1c53f3c6 { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .u89ff791415c76be039995d2f1c53f3c6 .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .u89ff791415c76be039995d2f1c53f3c6 .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .u89ff791415c76be039995d2f1c53f3c6: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\">P0089 Code: Fuel Pressure Regulator Performance<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<p>In other words, wear protective gear like gloves and safety goggles. Keep your skin covered by wearing thick work clothes that cover your arms and legs. As much as possible, work in a clean, well-ventilated area, and avoid working under direct sunlight or around open flames.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Empty Your Fuel Tank<\/h3>\n\n\n\n<p>Most fuel injector cleaner brands recommend working on a nearly empty fuel tank. When the cleaner mixes with the remaining fuel, it creates a highly concentrated solution. This allows you to maximize the cleaner&rsquo;s effectiveness without having to use more product.<\/p>\n\n\n<style>.kadence-column108015_94c69b-35 > .kt-inside-inner-col,.kadence-column108015_94c69b-35 > .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-column108015_94c69b-35 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column108015_94c69b-35 > .kt-inside-inner-col{flex-direction:column;}.kadence-column108015_94c69b-35 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column108015_94c69b-35 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column108015_94c69b-35{position:relative;}@media all and (max-width: 1024px){.kadence-column108015_94c69b-35 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column108015_94c69b-35 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column108015_94c69b-35 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-id108015_e7918c-27 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id108015_e7918c-27 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id108015_e7918c-27 > .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-id108015_e7918c-27 > .kt-row-layout-overlay{opacity:0.00;}.kb-row-layout-id108015_e7918c-27 .kt-row-layout-bottom-sep{height:100px;}.kb-row-layout-id108015_e7918c-27 .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id108015_e7918c-27 .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}.kb-row-layout-id108015_e7918c-27 .kt-row-layout-top-sep{height:100px;}.kb-row-layout-id108015_e7918c-27 .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id108015_e7918c-27 .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){.kb-row-layout-id108015_e7918c-27 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){.kb-row-layout-id108015_e7918c-27 .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id108015_e7918c-27 .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id108015_e7918c-27 > .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-id108015_e7918c-27 .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id108015_e7918c-27 .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id108015_e7918c-27 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-column108015_58c6d6-3f > .kt-inside-inner-col{display:flex;}.kadence-column108015_58c6d6-3f > .kt-inside-inner-col{min-height:45px;}.kadence-column108015_58c6d6-3f > .kt-inside-inner-col,.kadence-column108015_58c6d6-3f > .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-column108015_58c6d6-3f > .kt-inside-inner-col{row-gap:0px;column-gap:0px;}.kadence-column108015_58c6d6-3f > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column108015_58c6d6-3f > .kt-inside-inner-col > *, .kadence-column108015_58c6d6-3f > .kt-inside-inner-col > figure.wp-block-image, .kadence-column108015_58c6d6-3f > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column108015_58c6d6-3f > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column108015_58c6d6-3f > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column108015_58c6d6-3f{position:relative;}@media all and (max-width: 1024px){.kadence-column108015_58c6d6-3f > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column108015_58c6d6-3f > .kt-inside-inner-col > *, .kadence-column108015_58c6d6-3f > .kt-inside-inner-col > figure.wp-block-image, .kadence-column108015_58c6d6-3f > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column108015_58c6d6-3f > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column108015_58c6d6-3f > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column108015_58c6d6-3f > .kt-inside-inner-col > *, .kadence-column108015_58c6d6-3f > .kt-inside-inner-col > figure.wp-block-image, .kadence-column108015_58c6d6-3f > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column108015_58c6d6-3f > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column108015_58c6d6-3f kb-section-dir-horizontal kb-section-md-dir-horizontal inner-column-1 pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image108015_af75a4-9d.kb-image-is-ratio-size, .kb-image108015_af75a4-9d .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image108015_af75a4-9d.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image108015_af75a4-9d .kb-image-is-ratio-size{align-self:unset;}.kb-image108015_af75a4-9d figure{max-width:45px;}.kb-image108015_af75a4-9d .image-is-svg, .kb-image108015_af75a4-9d .image-is-svg img{width:100%;}.kb-image108015_af75a4-9d .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image108015_af75a4-9d\"><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-column108015_fbd49f-f6 > .kt-inside-inner-col,.kadence-column108015_fbd49f-f6 > .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-column108015_fbd49f-f6 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column108015_fbd49f-f6 > .kt-inside-inner-col{flex-direction:column;}.kadence-column108015_fbd49f-f6 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column108015_fbd49f-f6 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column108015_fbd49f-f6{position:relative;}@media all and (max-width: 1024px){.kadence-column108015_fbd49f-f6 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column108015_fbd49f-f6 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column108015_fbd49f-f6 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>\nAs an aside, some people have reported good results by running the gas tank very low on fuel and adding a half gallon of plain lacquer thinner to the tank, then driving the vehicle around for a while so the thinner that has been added to the gas can cut varnish and carbon deposits from the injectors. This isn&rsquo;t an approved method, but some people have had good results this way.\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Follow the Instructions<\/h3>\n\n\n\n<p>Different fuel injector cleaners will have different instructions, so check the label for the manufacturer&rsquo;s specific instructions. In general, however, you usually pour the cleaner directly into the tank through the <a href=\"https:\/\/www.carparts.com\/fuel-filler-neck\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fuel filler neck\">fuel filler neck<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dispose of the Cleaner Properly<\/h3>\n\n\n\n<p>Don&rsquo;t forget to dispose of any unused cleaner properly. Call nearby waste disposal sites or recycling centers and ask if they accept fuel injector cleaners. Until you can properly get rid of it, keep it in a sealed container out of reach from children and pets.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Top Off Your Fuel Tank<\/h3>\n\n\n\n<p>In order to effectively <a href=\"https:\/\/www.carparts.com\/blog\/how-to-clean-fuel-injectors\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"clean the fuel injectors\">clean the fuel injectors<\/a>, the cleaner typically has to mix with the fuel before it can pass through the injectors. Top off your fuel tank, and let your vehicle idle for a few minutes before driving again.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Drive Until You Empty the Tank<\/h3>\n\n\n\n<p>Take your time on the road until you use up all that fresh fuel. The cleaner can only work its way through the engine and remove carbon buildup from your injectors after you empty your gas tank.<\/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\/why-is-my-car-shaking-and-the-check-engine-light-is-on-faq\/\" target=\"_self\" rel=\"dofollow\" class=\"u9f9fe230100ec6e20c16cfb8a36b1e6f\"><style> .u9f9fe230100ec6e20c16cfb8a36b1e6f { 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; } .u9f9fe230100ec6e20c16cfb8a36b1e6f:active, .u9f9fe230100ec6e20c16cfb8a36b1e6f:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .u9f9fe230100ec6e20c16cfb8a36b1e6f { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .u9f9fe230100ec6e20c16cfb8a36b1e6f .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .u9f9fe230100ec6e20c16cfb8a36b1e6f .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .u9f9fe230100ec6e20c16cfb8a36b1e6f: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\">Why Is My Car Shaking and the Check Engine Light is On? FAQ<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<p>Be aware of the potential issue with this approach, however. You might want to idle your engine until it runs out of fuel, but when the fuel pump starts pulling fuel foam instead of fuel, it can destroy the electric fuel pump. It has happened!<\/p>\n\n\n\n<p>If you&rsquo;re driving rather than letting the engine idle, fuel pump damage isn&rsquo;t as much of an issue. Of course, you need to have a container of fuel with you to put in the tank or you&rsquo;ll be walking home. And make sure when you run out of fuel that you stop on level ground.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Often Should You Use Fuel Injector Cleaner?<\/h2>\n\n\n\n<p>It&rsquo;ll depend on several factors, including your vehicle&rsquo;s year, make, and model. In general, however, most people recommend using a fuel system cleaner every 3,000 miles.<\/p>\n\n\n\n<p>Keep in mind that your driving habits, fuel quality, and your vehicle&rsquo;s age can also affect how often you should clean your fuel injectors. For example, the <a href=\"https:\/\/www.carparts.com\/blog\/your-guide-to-fuel-injector-lifespan\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fuel injectors\">fuel injectors<\/a> of newer cars with advanced engine systems only need to be cleaned every 7,500 to 15,000 miles. Meanwhile, the fuel injectors of older vehicles need much more frequent cleanings.<\/p>\n\n\n\n<p>Some recommend cleaning the injectors with every fresh tank of fuel, while others don&rsquo;t recommend using injector cleaners at all. It ultimately depends on what you think is best for your own vehicle. If you aren&rsquo;t sure, you can always ask a trusted mechanic for advice.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Is the Best Fuel Injector Cleaner?<\/h2>\n\n\n\n<p>It&rsquo;s no secret that some fuel injector cleaners are better than others, but the only person who can really decide that is you. Some cleaners are better at cleaning buildup, while others are specifically designed for maintenance purposes. To find the best fuel injector cleaner, you&rsquo;ll have to inspect your car&rsquo;s current condition, assess what it needs, and go from there.<\/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>There&rsquo;s a lot of debate among mechanics and gearheads alike about fuel injector cleaners. Do they actually work? Depending on&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/how-to-use-fuel-injector-cleaner-and-other-faq\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":108118,"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":[52,3747],"tags":[1185],"ppma_author":[2607,2985],"class_list":{"0":"post-108015","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-engine","9":"tag-fuel-injector-2","10":"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>How To Use Fuel Injector Cleaner and Other FAQ - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Dealing with clogged fuel injectors? Learn how to use fuel injector cleaners to keep your engine running smoothly here.\" \/>\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\/how-to-use-fuel-injector-cleaner-and-other-faq\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How To Use Fuel Injector Cleaner and Other FAQ - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Dealing with clogged fuel injectors? Learn how to use fuel injector cleaners to keep your engine running smoothly here.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/how-to-use-fuel-injector-cleaner-and-other-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=\"2024-06-06T12:36:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-12T01:37:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/fuel-injectors.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=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/how-to-use-fuel-injector-cleaner-and-other-faq\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/how-to-use-fuel-injector-cleaner-and-other-faq\\\/\"},\"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. 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