{"id":71079,"date":"2022-08-09T22:53:26","date_gmt":"2022-08-10T05:53:26","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=71079"},"modified":"2023-08-31T23:17:28","modified_gmt":"2023-09-01T06:17:28","slug":"p2404-code-evaporative-emission-system-leak-detection-pump-sense-circuit-range-performance","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2404-code-evaporative-emission-system-leak-detection-pump-sense-circuit-range-performance\/","title":{"rendered":"P2404 Code: Evaporative Emission System Leak Detection Pump Sense Circuit Range \/ Performance"},"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\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_024b54-04 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_024b54-04 > .kt-inside-inner-col,.kadence-column_024b54-04 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_024b54-04 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_024b54-04 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_024b54-04 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_024b54-04 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_024b54-04{position:relative;}@media all and (max-width: 1024px){.kadence-column_024b54-04 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_024b54-04 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_024b54-04 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-1aec3b  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-2e9592\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_e7bcbe-1e, .wp-block-kadence-advancedheading.kt-adv-heading_e7bcbe-1e[data-kb-block=\"kb-adv-heading_e7bcbe-1e\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_e7bcbe-1e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_e7bcbe-1e[data-kb-block=\"kb-adv-heading_e7bcbe-1e\"] 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-heading_e7bcbe-1e img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_e7bcbe-1e[data-kb-block=\"kb-adv-heading_e7bcbe-1e\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_e7bcbe-1e summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_e7bcbe-1e\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Diagnostic trouble code (DTC) P2404 stands for &ldquo;Evaporative Emission System Leak Detection Pump Sense Circuit.&rdquo; The powertrain control module (PCM) sets the code when it receives an incorrect signal from the leak detection pump, which is in charge of checking if the evaporative emissions control system (EVAP) has any leaks.<\/li><li>The only noticeable symptom of the P2404 code is usually an illuminated check engine light. However, other DTC codes related to the EVAP might also trigger alongside it.<\/li><li>Some common causes behind the P2404 code include a faulty EVAP leak detection pump, a clogged EVAP leak detection pump filter, and a leak in the EVAP.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>If you see the P2404 code on your scan tool, then your vehicle&rsquo;s evaporative emissions (EVAP) system might be faulty. Learn about the P2404 code, its definition, common causes, and common symptoms in this article.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2404 Code Mean?<\/h2>\n\n\n\n<p>Diagnostic trouble code (DTC) P2404 code stands for Evaporative Emission System Leak Detection Pump Sense Circuit. This code is triggered when the leak detection pump sense circuit sends an incorrect signal to the powertrain control module (PCM). The leak detection pump creates a vacuum to check if the EVAP system has any leaks. The EVAP system is responsible for making sure that fuel vapor doesn&rsquo;t escape into the atmosphere.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/troubleshooting-an-obd-1024x683.jpg\" alt=\"troubleshooting an obd\" class=\"wp-image-71103\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/troubleshooting-an-obd-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/troubleshooting-an-obd-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/troubleshooting-an-obd-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/troubleshooting-an-obd-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/troubleshooting-an-obd-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/troubleshooting-an-obd.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The P2404 code is triggered when the leak detection pump sense circuit sends an incorrect signal to your vehicle&rsquo;s PCM.<\/figcaption><\/figure>\n\n\n\n<p><em><strong>Note:<\/strong> The definition of the P2404 code can be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P2404 Code?<\/h2>\n\n\n\n<p>Usually, the only noticeable symptom of the P2404 code is an <a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"illuminated check engine light\">illuminated check engine light<\/a>. However, if the P2404 code is triggered, it&rsquo;s common for other <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"trouble codes\">trouble codes<\/a> related to the EVAP system to also be stored.<\/p>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Causes of the P2404 Code?<\/h2>\n\n\n\n<p>There are several problems that can trigger the P2404 code including:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Faulty <a href=\"https:\/\/www.carparts.com\/evaporative-emissions-system-leak-detection-pump\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"EVAP leak detection pump\">EVAP leak detection pump<\/a><\/li><li>Clogged <a href=\"https:\/\/www.carparts.com\/evaporative-emissions-system-detection-pump-filter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"EVAP leak detection pump filter\">EVAP leak detection pump filter<\/a><\/li><li>Leak in the EVAP system<\/li><li>PCM Failure<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-wiring\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Wiring issue\">Wiring issue<\/a><\/li><li>Blockage in the EVAP system<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/evap-leak-detection-pump-filter-1024x1024.png\" alt=\"evap leak detection pump filter\" class=\"wp-image-71102\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/evap-leak-detection-pump-filter-1024x1024.png 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/evap-leak-detection-pump-filter-300x300.png 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/evap-leak-detection-pump-filter-768x768.png 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/evap-leak-detection-pump-filter-75x75.png 75w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/evap-leak-detection-pump-filter-600x600.png 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/evap-leak-detection-pump-filter-96x96.png 96w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/evap-leak-detection-pump-filter-150x150.png 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/evap-leak-detection-pump-filter.png 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>One of the several causes of P2404 code is a clogged EVAP leak detection pump filter.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2404 Code<\/h2>\n\n\n\n<p>While the P2404 code&rsquo;s definition implies that the problem is related to the leak detection pump, this is not always the case. To resolve this DTC, you must determine the main cause first. This could require a visual examination of the affected components. This job may also require the use of specialized equipment and knowledge. If you&rsquo;re new to DIY repairs, we recommend that you go to a professional mechanic for help.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P2404 Code<\/h2>\n\n\n\n<p>There is no magic bullet when it comes to resolving OBD-II codes because they can be caused by a variety of issues. To determine the best course of action, you must first obtain an accurate diagnosis.<\/p>\n\n\n\n<p>Once you&rsquo;ve figured out what&rsquo;s causing the P2404 code, you can look for solutions from reputable internet repair resources and how-to guides. Always <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"consult your vehicle&rsquo;s repair manual\">consult your vehicle&rsquo;s repair manual<\/a> when troubleshooting and repairing diagnostic codes.<\/p>\n\n\n\n<p>Chilton repair manuals can also be useful. ALLDATA subscriptions, on the other hand, could be because they include specific factory repair information for drivers who wish to perform their own repairs.<\/p>\n\n\n\n<p>It&rsquo;s best to consult a professional mechanic if you don&rsquo;t have much experience diagnosing or repairing error codes.<\/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\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>If you see the P2404 code on your scan tool, then your vehicle&rsquo;s evaporative emissions (EVAP) system might be faulty&#8230;. <a href=\"https:\/\/www.carparts.com\/blog\/p2404-code-evaporative-emission-system-leak-detection-pump-sense-circuit-range-performance\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":71099,"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":[1314],"tags":[3508],"ppma_author":[2607,2855],"class_list":{"0":"post-71079","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-evaporative-emissions-system-leak-detection-pump","9":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2404 Code: Evaporative Emission System Leak Detection Pump Sense Circuit Range \/ Performance - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Wondering what the P2404 code is? 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