{"id":76835,"date":"2022-10-25T16:33:06","date_gmt":"2022-10-25T23:33:06","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=76835"},"modified":"2026-02-18T00:32:30","modified_gmt":"2026-02-18T08:32:30","slug":"p2407-code-evaporative-emission-system-leak-detection-pump-sense-circuit-intermittent-erratic","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2407-code-evaporative-emission-system-leak-detection-pump-sense-circuit-intermittent-erratic\/","title":{"rendered":"P2407 Code: Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent\/Erratic"},"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-column76835_e96a03-b7 > .kt-inside-inner-col,.kadence-column76835_e96a03-b7 > .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-column76835_e96a03-b7 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column76835_e96a03-b7 > .kt-inside-inner-col{flex-direction:column;}.kadence-column76835_e96a03-b7 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column76835_e96a03-b7 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column76835_e96a03-b7{position:relative;}@media all and (max-width: 1024px){.kadence-column76835_e96a03-b7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column76835_e96a03-b7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column76835_e96a03-b7 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-dca741  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-cdccc7\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading76835_edaf78-98, .wp-block-kadence-advancedheading.kt-adv-heading76835_edaf78-98[data-kb-block=\"kb-adv-heading76835_edaf78-98\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading76835_edaf78-98 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading76835_edaf78-98[data-kb-block=\"kb-adv-heading76835_edaf78-98\"] 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-heading76835_edaf78-98 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading76835_edaf78-98[data-kb-block=\"kb-adv-heading76835_edaf78-98\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading76835_edaf78-98 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading76835_edaf78-98\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DTC P2407 stands for &ldquo;Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent\/Erratic.&rdquo; It&rsquo;s logged when the PCM receives the wrong voltage signal (or no signal at all) from the leak detection pump sensor.<\/li>\n\n\n\n<li>A malfunctioning detection pump, a bad purge valve, a blocked charcoal canister, or a PCM issue are some of the issues that can trigger the P2407 code.<\/li>\n\n\n\n<li>A lit check engine light is the trouble code&rsquo;s most common symptom.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Some evaporative emission systems (EVAP) rely on a leak detection pump sensor to keep track of the pressure level and spot any signs of a leak. The sensor sends its readings to the <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> (PCM), which will log the appropriate diagnostic trouble code if it finds any discrepancies. If the PCM receives an intermittent or erratic voltage signal from the leak detection pump sensor, its diagnostics will log a P2407 code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2407 Code Mean?<\/h2>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"diagnostic trouble code\">diagnostic trouble code<\/a> (DTC) P2407 indicates &ldquo;Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent\/Erratic.&rdquo;<\/p>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/blog\/evaporative-emission-control-evap-system-101-the-basics\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"EVAP system\">EVAP system<\/a> is an important part of a vehicle&rsquo;s emission control. It collects vaporized fuel from the <a href=\"https:\/\/www.carparts.com\/fuel-tank\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fuel tank\">fuel tank<\/a> and stores it in the EVAP cylinder. When the engine needs to burn more fuel to meet the current load, the EVAP system releases the fuel vapor.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"681\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-intake-manifold-clear-view-1024x681.jpg\" alt=\"car intake manifold clear view\" class=\"wp-image-76860\" style=\"width:1024px;height:681px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-intake-manifold-clear-view-1024x681.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-intake-manifold-clear-view-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-intake-manifold-clear-view-768x511.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-intake-manifold-clear-view-1536x1021.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-intake-manifold-clear-view-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-intake-manifold-clear-view-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-intake-manifold-clear-view.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">A leak compromises the effectiveness of the EVAP system by allowing fuel vapor to escape into the atmosphere before it can reach the intake manifold.<\/figcaption><\/figure>\n\n\n\n<p>A leak compromises the effectiveness of the EVAP system by allowing fuel vapor to escape into the atmosphere before it can reach the <a href=\"https:\/\/www.carparts.com\/intake-manifold\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"intake manifold\">intake manifold<\/a>. To counteract this potential problem, the leak detection pump sensor constantly checks the pressure within the system. If the pressure drops without explanation, there is likely a leak somewhere.<\/p>\n\n\n\n<p>The PCM regularly checks the signals from the leak detection pump sensor. If the sensor doesn&rsquo;t transmit its signals in time or sends the wrong voltage signals, the controller will set the generic code P2407.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P2407 can differ depending on the vehicle manufacturer. Check 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 Causes of the P2407 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bad <a href=\"https:\/\/www.carparts.com\/evaporative-emissions-system-leak-detection-pump\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"leak detection pump\">leak detection pump<\/a><\/li>\n\n\n\n<li>Open or shorted wiring harness<\/li>\n\n\n\n<li>Loose or bad electrical connection for the leak detection pump circuit<\/li>\n\n\n\n<li>Bad <a href=\"https:\/\/www.carparts.com\/purge-valve\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"purge valve\">purge valve<\/a><\/li>\n\n\n\n<li>Blocked or faulty <a href=\"https:\/\/www.carparts.com\/vapor-canister\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"charcoal canister\">charcoal canister<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"An issue with the PCM\">An issue with the PCM<\/a><\/li>\n<\/ul>\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 Symptoms of the P2407 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><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><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2407 Code<\/h2>\n\n\n\n<p>The P2407 code is a generic code that can be logged by various vehicle makes and models. Its underlying problem and symptoms can vary between cases for various reasons, such as differences between manufacturers.<\/p>\n\n\n\n<p>If you&rsquo;re not confident about conducting diagnostic tests on your vehicle, it&rsquo;s a good idea to bring it to a professional mechanic. Otherwise, you can go ahead and diagnose the issue yourself. To help you get started, here is a video that can give you an idea of what the process might involve:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/www.youtube.com\/watch?v=95ZbPXQqoA8&amp;t=280s\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P2407 Code<\/h2>\n\n\n\n<p>Anyone who wants to fix a P2407 code will need specific tools and knowledge to test and repair or replace the leak detection pump sensor. If you lack either or both, it&rsquo;s best to let an expert resolve the issue for you.<\/p>\n\n\n\n<p>If you&rsquo;re a DIYer who has the advanced technical knowledge and hands-on experience required to effectively test and replace a faulty leak detection pump sensor, it helps to consult a <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"repair manual or refer to an online repair database\">repair manual or refer to an online repair database<\/a>. Make sure you look for vehicle-specific information to ensure you&rsquo;re following the right steps and protocols for your ride.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Shop for a Leak Detection Pump<\/h2>\n\n\n\n<p>A leak detection pump is a critical component that can detect when there are vapor leaks in the fuel system. When it&rsquo;s time to replace this component, you don&rsquo;t have to worry. Getting a replacement is quick and easy with <a href=\"https:\/\/www.carparts.com\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"CarParts.com\">CarParts.com<\/a>.<\/p>\n\n\n\n<p>Get your hands on a new <a href=\"https:\/\/www.carparts.com\/leak-detection-pump\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"leak detection pump\">leak detection pump<\/a> without leaving the comfort of your home. Shop from our website and use our vehicle selector to narrow down your options to parts that fit your vehicle.<\/p>\n\n\n\n<p>All products in our catalog are sourced from the top parts manufacturers that use state-of-the-art technology to ensure that each part is engineered to match OE specifications. Our warehouses are strategically located all over the US, so you can expect your orders to reach you in just a few days.<\/p>\n\n\n\n<div class=\"shop-project\">\n\n    <h2>Shop this Project<\/h2>\n\n    <ul class=\"shop-project-list\">\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/fuel-tank\/jc-whitney\/rept670123\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/rept670123_1\" alt=\"JC Whitney&reg; &ndash; Fuel Tank, 13.2 Gallons \/ 50 Liters, With Pan\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/rept670123_1\" alt=\"JC Whitney&reg; &ndash; Fuel Tank, 13.2 Gallons \/ 50 Liters, With Pan\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/fuel-tank\/jc-whitney\/rept670123\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"JC Whitney&reg; &ndash; Fuel Tank, 13.2 Gallons \/ 50 Liters, With Pan\">JC Whitney&reg; &ndash; Fuel Tank, 13.2 Gallons \/ 50 Liters, With Pan<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-5.svg\" alt=\"5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$224.92<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/fuel-tank\/jc-whitney\/rept670123\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/evaporative-emissions-system-leak-detection-pump\/replacement\/repc383601\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repc383601_1\" alt=\"Replacement &ndash; Evaporative Emissions System Leak Detection Pump &ndash; Sold individually\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repc383601_1\" alt=\"Replacement &ndash; Evaporative Emissions System Leak Detection Pump &ndash; Sold individually\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/evaporative-emissions-system-leak-detection-pump\/replacement\/repc383601\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Replacement &ndash; Evaporative Emissions System Leak Detection Pump &ndash; Sold individually\">Replacement &ndash; Evaporative Emissions System Leak Detection Pump &ndash; Sold individually<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-5.svg\" alt=\"5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$75.91<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/evaporative-emissions-system-leak-detection-pump\/replacement\/repc383601\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/purge-valve\/replacement\/ri38430001\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/ri38430001_1\" alt=\"Replacement &ndash; Purge Valve &ndash; Direct Fit, Sold individually\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/ri38430001_1\" alt=\"Replacement &ndash; Purge Valve &ndash; Direct Fit, Sold individually\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/purge-valve\/replacement\/ri38430001\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Replacement &ndash; Purge Valve &ndash; Direct Fit, Sold individually\">Replacement &ndash; Purge Valve &ndash; Direct Fit, Sold individually<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$15.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/purge-valve\/replacement\/ri38430001\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/vapor-canister\/replacement\/rb38640001\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/rb38640001_1\" alt=\"Replacement &ndash; Vapor Canister, Activated Charcoal Filter\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/rb38640001_1\" alt=\"Replacement &ndash; Vapor Canister, Activated Charcoal Filter\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/vapor-canister\/replacement\/rb38640001\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Replacement &ndash; Vapor Canister, Activated Charcoal Filter\">Replacement &ndash; Vapor Canister, Activated Charcoal Filter<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-0.svg\" alt=\"0 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$34.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/vapor-canister\/replacement\/rb38640001\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n            <\/ul>\n<\/div>\n\n\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>Some evaporative emission systems (EVAP) rely on a leak detection pump sensor to keep track of the pressure level and&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2407-code-evaporative-emission-system-leak-detection-pump-sense-circuit-intermittent-erratic\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":76861,"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":[1323,3508,1198,1186,1868,1235,1663],"ppma_author":[2607,2855],"class_list":{"0":"post-76835","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-engine-control-module-2","9":"tag-evaporative-emissions-system-leak-detection-pump","10":"tag-fuel-tank-2","11":"tag-intake-manifold","12":"tag-leak-detection-pump","13":"tag-purge-valve","14":"tag-vapor-canister","15":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2407 Code: Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent\/Erratic - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn what a P2407 code means, its possible causes, and the common symptoms associated with it.\" \/>\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\/p2407-code-evaporative-emission-system-leak-detection-pump-sense-circuit-intermittent-erratic\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2407 Code: Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent\/Erratic - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Learn what a P2407 code means, its possible causes, and the common symptoms associated with it.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p2407-code-evaporative-emission-system-leak-detection-pump-sense-circuit-intermittent-erratic\/\" \/>\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:author\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2022-10-25T23:33:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-18T08:32:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/mechanic-resolves-p2407-code.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1331\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"CarParts.com Research Team, William Guzenski, ASE Certified Master Automobile Technician\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/CarPartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"CarParts.com Research Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2407-code-evaporative-emission-system-leak-detection-pump-sense-circuit-intermittent-erratic\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2407-code-evaporative-emission-system-leak-detection-pump-sense-circuit-intermittent-erratic\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"1651\",\"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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