{"id":67560,"date":"2022-03-13T23:58:29","date_gmt":"2022-03-14T06:58:29","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=67560"},"modified":"2024-06-03T15:50:28","modified_gmt":"2024-06-03T22:50:28","slug":"p0472-code-exhaust-pressure-sensor-a-circuit-low","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0472-code-exhaust-pressure-sensor-a-circuit-low\/","title":{"rendered":"P0472 Code: Exhaust Pressure Sensor \u201cA\u201d Circuit Low"},"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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_b7528c-35 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_b7528c-35 > .kt-inside-inner-col,.kadence-column_b7528c-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-column_b7528c-35 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_b7528c-35 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_b7528c-35 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_b7528c-35 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_b7528c-35{position:relative;}@media all and (max-width: 1024px){.kadence-column_b7528c-35 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_b7528c-35 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_b7528c-35 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-b1c223  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-28e08b\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_c6a026-7a, .wp-block-kadence-advancedheading.kt-adv-heading_c6a026-7a[data-kb-block=\"kb-adv-heading_c6a026-7a\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_c6a026-7a mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_c6a026-7a[data-kb-block=\"kb-adv-heading_c6a026-7a\"] 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_c6a026-7a img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_c6a026-7a[data-kb-block=\"kb-adv-heading_c6a026-7a\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_c6a026-7a summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_c6a026-7a\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The diagnostic trouble code (DTC) P0472 indicates &ldquo;Exhaust Pressure Sensor &lsquo;A&rsquo; Circuit Low.&rdquo;<\/li><li>Your vehicle&rsquo;s powertrain control module (PCM) might store this code if it receives a mismatched signal from the exhaust pressure sensor.<\/li><li>Common causes of the P0472 code are a faulty exhaust pressure sensor, circuit issues, a PCM problem, and an obstructed pressure tube or port.<\/li><li>A vehicle that sets a P0472 code can show symptoms like check engine light Illumination, reduced power, and soot in the diesel particulate filter that resists burning.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Dealing with a P0472 code can be stressful if you don&rsquo;t know the basics. Here&rsquo;s a brief guide that will help you understand the meaning, causes, and symptoms of this OBD-II code so you can properly address it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0472 Code Mean?<\/h2>\n\n\n\n<p>Diagnostic trouble code (DTC) P0472 stands for &ldquo;Exhaust Pressure Sensor &ldquo;A&rdquo; Circuit Low.&rdquo; This trouble code is usually reported for engines with <a href=\"https:\/\/www.carparts.com\/turbocharger\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"turbochargers\">turbochargers<\/a>. You&rsquo;ll need a scan tool in order to read this code.<\/p>\n\n\n\n<p>Your powertrain control module (PCM) might store a P0472 code if it receives a mismatched signal between the exhaust pressure sensor and the intake manifold pressure or ambient air pressure. This trouble code might have some similarities with a P0471 code. The main difference is that the P0472 code is strictly an electrical fault, while a P0471 can be the result of a mechanical or electrical fault.<\/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\/03\/obd-ii-scanner-1024x801.jpg\" alt=\"obd ii scanner\" class=\"wp-image-67562\" width=\"1024\" height=\"801\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/obd-ii-scanner-1024x801.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/obd-ii-scanner-300x235.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/obd-ii-scanner-768x601.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/obd-ii-scanner-150x117.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/obd-ii-scanner.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Your PCM stores a P0472 code when it receives a mismatched signal between the exhaust pressure sensor and the intake manifold pressure or ambient air pressure.<\/figcaption><\/figure>\n\n\n\n<p>The exhaust pressure sensor is an important part of your vehicle because it monitors the pressure in the exhaust manifold and sends this information to your PCM in order to operate output devices, such as the <a href=\"https:\/\/www.carparts.com\/egr-valve\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"exhaust gas recirculation valve\">exhaust gas recirculation valve<\/a>. This DTC shouldn&rsquo;t be overlooked because it can result in poor performance and part failure.<\/p>\n\n\n\n<p><em><strong>Note:<\/strong> The definition of code P0472 might 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 Causes of the P0472 Code?<\/h2>\n\n\n\n<p>One or more factors can result in a P0472 code. The following are some of the possible causes of a P0472 code:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>A faulty exhaust pressure sensor<\/li><li>Circuit issues, such as a damaged wire or poor connection<\/li><li>An issue with the PCM, such as software in need of an update<\/li><li>Obstructed pressure tube or port<\/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\/03\/driver-holding-the-wheel-1024x683.jpg\" alt=\"driver holding the wheel\" class=\"wp-image-67564\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driver-holding-the-wheel-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driver-holding-the-wheel-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driver-holding-the-wheel-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driver-holding-the-wheel-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driver-holding-the-wheel-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driver-holding-the-wheel.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Reduced power is one of the common symptoms of the P0472 code.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0472 Code?<\/h2>\n\n\n\n<p>Other exhaust pressure sensor codes like P0470, P0471, P0473 and P0474 might be present along with the P0472 code, so you might notice some similarities and differences when it comes to symptoms. However, if your PCM is only storing a P0472, you might notice the following symptoms in your vehicle.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"\/\/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><li><a href=\"https:\/\/www.carparts.com\/blog\/what-triggers-reduced-engine-power\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Reduced power\">Reduced power<\/a><\/li><li>Unable to manually burn off the soot out of the particulate filter<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0472 Code<\/h2>\n\n\n\n<p>There are specific procedures for diagnosing a P0472 depending on your vehicle&rsquo;s make and model. You&rsquo;ll have to follow your vehicle&rsquo;s recommended diagnostics steps to determine the root cause of its P0472 code. However, if you don&rsquo;t feel too confident in your diagnostic skills, it&rsquo;s best to consult a mechanic.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P0472 Code<\/h2>\n\n\n\n<p>Although exhaust trouble codes have similar symptoms and potential causes, the repair procedures are different for each one. You&rsquo;ll have to find the underlying cause of your P0472 code to figure out the right fix. If you want to save time on research, you can try looking for technical service bulletins because they usually contain information on how to troubleshoot DTCs.<\/p>\n\n\n\n<p>Fortunately, there&rsquo;s no shortage of OBD-II resources <a href=\"https:\/\/www.carparts.com\/blog\/best-online-resources-to-help-you-learn-how-to-fix-cars\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"online\">online<\/a>. You can refer to the <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"right repair manuals\">right repair manuals<\/a> or check an online repair database to get detailed information on your vehicle. These resources will come in handy when you decide to troubleshoot this code on your own.<\/p>\n\n\n\n<p>It&rsquo;s important to remember that every vehicle is unique. What may work to resolve a P0472 code in a <a href=\"https:\/\/www.carparts.com\/ford\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Ford\">Ford<\/a> might not work for a <a href=\"https:\/\/www.carparts.com\/volkswagen\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Volkswagen\">Volkswagen<\/a>. When troubleshooting and repairing diagnostic trouble codes, make sure to consult your vehicle&rsquo;s repair manual. If you lack the skills needed to repair DTCs, it&rsquo;s best to bring your vehicle to a mechanic.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get a New Exhaust Pressure Sensor to Fix DTC P0472<\/h2>\n\n\n\n<p>More often than not, DTC P0472 is logged when there&rsquo;s something wrong with your vehicle&rsquo;s exhaust pressure sensor. Failing to address it leads to reduced vehicle power and a lit check engine light. On the bright side, finding a new <a href=\"https:\/\/www.carparts.com\/exhaust-pressure-sensor\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"exhaust pressure sensor\">exhaust pressure sensor<\/a> for your vehicle is easy with the help of <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a>.<\/p>\n\n\n\n<p>Find the perfect exhaust pressure sensor by entering your ride&rsquo;s specifications into our vehicle selector. This will narrow down our catalog to compatible ones for your car, SUV, or truck. Then, you can use the search filters to view the sensors with your preferred brand, price, and specs.<\/p>\n\n\n\n<p>On top of that, our warehouses are strategically located all over the US. You won&rsquo;t have to wait too long for any of your orders, and you can expect to receive your new sensor in as fast as two business days.<\/p>\n\n\n\n<p>Don&rsquo;t hold off on fixing DTC P0472. Get your hands on a new exhaust pressure sensor that&rsquo;s built to last now!<\/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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Dealing with a P0472 code can be stressful if you don&rsquo;t know the basics. Here&rsquo;s a brief guide that will&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0472-code-exhaust-pressure-sensor-a-circuit-low\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":67566,"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":[],"ppma_author":[2607,2855],"class_list":{"0":"post-67560","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P0472 Code: Exhaust Pressure Sensor \u201cA\u201d Circuit Low - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Did your vehicle log code P0472? Learn this code&#039;s meaning, symptoms, and common causes in this guide. Plus find out what to do. Read on.\" \/>\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\/p0472-code-exhaust-pressure-sensor-a-circuit-low\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0472 Code: Exhaust Pressure Sensor \u201cA\u201d Circuit Low - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Did your vehicle log code P0472? Learn this code&#039;s meaning, symptoms, and common causes in this guide. Plus find out what to do. 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