{"id":67528,"date":"2022-03-13T23:54:01","date_gmt":"2022-03-14T06:54:01","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=67528"},"modified":"2024-06-03T15:49:33","modified_gmt":"2024-06-03T22:49:33","slug":"p0471-code-exhaust-pressure-sensor-a-circuit-range-performance","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0471-code-exhaust-pressure-sensor-a-circuit-range-performance\/","title":{"rendered":"P0471 Code: Exhaust Pressure Sensor \u201cA\u201d 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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_9664fb-4c > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_9664fb-4c > .kt-inside-inner-col,.kadence-column_9664fb-4c > .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_9664fb-4c > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_9664fb-4c > .kt-inside-inner-col{flex-direction:column;}.kadence-column_9664fb-4c > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_9664fb-4c > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_9664fb-4c{position:relative;}@media all and (max-width: 1024px){.kadence-column_9664fb-4c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_9664fb-4c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_9664fb-4c qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-84a672  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-bd7566\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_e6001c-6f, .wp-block-kadence-advancedheading.kt-adv-heading_e6001c-6f[data-kb-block=\"kb-adv-heading_e6001c-6f\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_e6001c-6f mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_e6001c-6f[data-kb-block=\"kb-adv-heading_e6001c-6f\"] 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_e6001c-6f img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_e6001c-6f[data-kb-block=\"kb-adv-heading_e6001c-6f\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_e6001c-6f summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_e6001c-6f\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Diagnostic trouble code (DTC) P0471 is defined as &ldquo;Exhaust Pressure Sensor A&rsquo;&rsquo; Circuit Range\/Performance.&rdquo; This code might register if your powertrain control module (PCM) receives an incorrect signal from the exhaust pressure sensor.<\/li><li>The P0471 can be caused by an obstructed pressure tube or port, leaks in the exhaust gas recirculation or air intake system, a failed exhaust pressure sensor, circuit issues, or a faulty PCM.<\/li><li>Common symptoms of the P0471 code include an illuminated check engine light, reduced power, or issues with the vehicle entering regeneration.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Diagnosing your vehicle can be tricky. If you use a scan tool to determine its underlying problems, you might come across a P0471 code. In this article, we&rsquo;ll discuss what this code means and how you can troubleshoot it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0471 Code Mean?<\/h2>\n\n\n\n<p>Diagnostic trouble code (DTC) P0471 is defined as &ldquo;Exhaust Pressure Sensor &ldquo;A&rdquo; Circuit Range\/Performance.&rdquo; This code applies to vehicles that have turbocharged engines.<\/p>\n\n\n\n<p>A P0471 code might be triggered if your powertrain control module (PCM) receives an incorrect signal from the exhaust pressure sensor. The signal from the exhaust pressure sensor should match the vehicle&rsquo;s intake manifold pressure or ambient air pressure to function normally. A P0471 code can be caused by an electrical or mechanical 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\/car-engine-check-1-1024x683.jpg\" alt=\"car engine check\" class=\"wp-image-67563\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-engine-check-1-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-engine-check-1-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-engine-check-1-768x513.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-engine-check-1-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-engine-check-1-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-engine-check-1.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>A P0471 code can  be logged if your PCM receives an incorrect signal from the exhaust pressure sensor.<\/figcaption><\/figure>\n\n\n\n<p>The exhaust pressure sensor is an important part of your vehicle because it sends information to your PCM regarding the pressure in the exhaust manifold so that the module can better manage output devices, such as the <a href=\"https:\/\/www.carparts.com\/egr-valve\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"EGR valve\">EGR valve<\/a>. A faulty exhaust pressure sensor can lead to poor performance and part failure, so you should address this problem as soon as possible.<\/p>\n\n\n\n<p><em><strong>Note:<\/strong> The definition of code P0471 might be different depending on the vehicle manufacturer. <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Consult the appropriate repair manual or repair database\">Consult the appropriate repair manual or repair database<\/a> for the exact code definition.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Causes of the P0471 Code?<\/h2>\n\n\n\n<p>Several factors can result in a P0471 code. Some of the possible causes of a P0471 code are the following.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Obstructed pressure tube or port<\/li><li>Leaks in the exhaust gas recirculation or air intake system<\/li><li>Failed exhaust&nbsp; pressure sensor&nbsp;<\/li><li>Circuit issues, such as a damaged wire or poor connection<\/li><li>Faulty PCM<\/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\/car-air-intake-system-1024x575.jpg\" alt=\"car air intake system\" class=\"wp-image-67565\" width=\"1024\" height=\"575\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-air-intake-system-1024x575.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-air-intake-system-300x168.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-air-intake-system-768x431.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-air-intake-system-150x84.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-air-intake-system.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Leaks in the air intake system can trigger code P0471.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0471 Code?<\/h2>\n\n\n\n<p>A P0471 code might be accompanied by other exhaust pressure sensor codes like P0470, P0472, P0473, and P0474. However, if your PCM is only storing a P0471, 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>Issues with the vehicle entering regeneration<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0471 Code<\/h2>\n\n\n\n<p>The diagnostic procedure for a P0471 code depends on your vehicle&rsquo;s make and model. You&rsquo;ll need to follow the recommended procedures for your vehicle to get an accurate assessment of its problem. You can use the following video to get an idea of what troubleshooting the code might involve.&nbsp; However, if you don&rsquo;t have the necessary skills and knowledge to diagnose your vehicle, you should probably ask a mechanic for help.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"16 Ford F250 F350 F450 engine LIGHT is on - DTC P0471 #viral\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/UwQk4FWxCN0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P0471 Code<\/h2>\n\n\n\n<p>Troubleshooting a P0471 code requires a certain level of auto repair skills and knowledge. We recommend researching your vehicle&rsquo;s common problems and fixes before attempting any repairs. Some automakers have released technical service bulletins (TSB) for their vehicles. Reading these TSBs can help you save time on research.<\/p>\n\n\n\n<p>There are plenty of OBD-II resources available to help you fix your vehicle. You can learn more about DTCs in Chilton repair manuals and sign up for ALLDATA&rsquo;s single-vehicle subscription service to get detailed factory repair information. If you aren&rsquo;t confident about your automotive repair skills, it&rsquo;s best to consult a mechanic.<\/p>\n\n\n\n<p>Keep in mind that not all vehicles are the same. What works to resolve a P0471 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>. Make sure to follow the recommended repair and diagnostic procedures for your vehicle to avoid making mistakes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get Replacement Parts to Fix DTC P0471<\/h2>\n\n\n\n<p>It&rsquo;s not a good idea to leave DTC P0471 unaddressed because it can cause power issues. Not to mention, it can affect other parts and trigger more trouble codes that would require costly repairs. Whether you need to replace a bad <a href=\"https:\/\/www.carparts.com\/exhaust-pressure-sensor\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"exhaust pressure sensor\">exhaust pressure sensor<\/a> or a faulty PCM, <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a> has what you need to clear this trouble code.<\/p>\n\n\n\n<p>All you need to do is visit our website with your mobile device or your computer. Use the vehicle selector and search filters to find parts that fit your car, SUV, or truck and feature the brand, price, and specs you need.<\/p>\n\n\n\n<p>We source our replacement parts from the most trusted manufacturers in the industry, so you won&rsquo;t have to worry about them failing any time soon. On top of that, our warehouses are strategically located all over the US. This means you can receive your order within two business days.<\/p>\n\n\n\n<p>Don&rsquo;t hold off on replacing bad parts to fix DTC P0471. Browse our catalog to get your hands on some new parts now at CarParts.com.<\/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>Diagnosing your vehicle can be tricky. If you use a scan tool to determine its underlying problems, you might come&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0471-code-exhaust-pressure-sensor-a-circuit-range-performance\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":67561,"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-67528","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 v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P0471 Code: Exhaust Pressure Sensor \u201cA\u201d Circuit Range \/ Performance - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Wondering what the P0471 code means? Learn its definition, symptoms, and common causes. Plus find out what to do if your car has this code.\" \/>\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\/p0471-code-exhaust-pressure-sensor-a-circuit-range-performance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0471 Code: Exhaust Pressure Sensor \u201cA\u201d Circuit Range \/ Performance - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Wondering what the P0471 code means? Learn its definition, symptoms, and common causes. 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