{"id":71998,"date":"2022-09-02T00:11:55","date_gmt":"2022-09-02T07:11:55","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=71998"},"modified":"2023-08-31T19:38:12","modified_gmt":"2023-09-01T02:38:12","slug":"p2432-code-secondary-air-injection-system-airflow-pressure-sensor-circuit-low-bank-1","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2432-code-secondary-air-injection-system-airflow-pressure-sensor-circuit-low-bank-1\/","title":{"rendered":"P2432 Code: Secondary Air Injection System Airflow \/ Pressure Sensor Circuit Low Bank 1"},"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_65ab7c-15 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_65ab7c-15 > .kt-inside-inner-col,.kadence-column_65ab7c-15 > .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_65ab7c-15 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_65ab7c-15 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_65ab7c-15 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_65ab7c-15 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_65ab7c-15{position:relative;}@media all and (max-width: 1024px){.kadence-column_65ab7c-15 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_65ab7c-15 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_65ab7c-15 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-edd0f5  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-5b0f3d\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_0d41e7-97, .wp-block-kadence-advancedheading.kt-adv-heading_0d41e7-97[data-kb-block=\"kb-adv-heading_0d41e7-97\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_0d41e7-97 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_0d41e7-97[data-kb-block=\"kb-adv-heading_0d41e7-97\"] 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_0d41e7-97 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_0d41e7-97[data-kb-block=\"kb-adv-heading_0d41e7-97\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_0d41e7-97 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_0d41e7-97\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The diagnostic trouble code (DTC) P2432 indicates &ldquo;P2432 Code: Secondary Air Injection System Airflow \/ Pressure Sensor Circuit Low Bank 1.&rdquo;<\/li><li>The powertrain control module (PCM) will trigger this code when it detects a voltage or resistance from the air pressure sensor in engine bank 1 that&rsquo;s too low or below the manufacturer&rsquo;s normal range.<\/li><li>Common causes of the P2432 code include a bad secondary air injection pump, faulty one-way check valve, defective air control solenoid valve, and malfunctioning air pressure sensor.<\/li><li>A vehicle that sets a P2432 code can show symptoms like an illuminated check engine light, stalling, and rough idling.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The secondary air injection (SAI) system in your vehicle is in charge of supplying the air needed during the oxidizing process in the <a href=\"https:\/\/www.carparts.com\/catalytic-converter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"catalytic converter\">catalytic converter<\/a> or <a href=\"https:\/\/www.carparts.com\/exhaust-manifold\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"exhaust manifold\">exhaust manifold<\/a>. This system is commonly called AIR or air injection reaction.&nbsp;<\/p>\n\n\n\n<p>Like any other system inside a vehicle, it can malfunction over time. P2432 is one of the trouble codes related to a fault in the secondary air injection system.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2432 Code Mean?&nbsp;<\/h2>\n\n\n\n<p><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) P2432 stands for &ldquo;Secondary Air Injection System Airflow\/Pressure Sensor Circuit Low Bank 1.&rdquo;&nbsp;<\/p>\n\n\n\n<p>Bank 1 refers to the bank of cylinders that contain cylinder #1.&nbsp;<\/p>\n\n\n\n<p>The SAI system injects fresh air from the outside into the <a href=\"https:\/\/www.carparts.com\/exhaust-system\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"exhaust system\">exhaust system<\/a> during cold engine start up. The air pulled by the SAI pump helps in burning highly rich exhaust gasses that are produced when the engine warms up.<\/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\/08\/Black-Secondary-Air-Injection-Pump-for-Automotive-1024x602.jpg\" alt=\"Black Secondary Air Injection Pump\" class=\"wp-image-71999\" width=\"1024\" height=\"602\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/Black-Secondary-Air-Injection-Pump-for-Automotive-1024x602.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/Black-Secondary-Air-Injection-Pump-for-Automotive-300x176.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/Black-Secondary-Air-Injection-Pump-for-Automotive-768x452.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/Black-Secondary-Air-Injection-Pump-for-Automotive-1536x904.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/Black-Secondary-Air-Injection-Pump-for-Automotive-150x88.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/Black-Secondary-Air-Injection-Pump-for-Automotive.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The air pulled by the SAI pump helps in burning highly rich exhaust gasses that are produced when the engine warms up.<\/figcaption><\/figure>\n\n\n\n<p>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) monitors the condition of this system using an air pressure sensor. This sensor monitors the pressure in the air control solenoid valve inlet, which opens and closes at certain temperatures and pressures.<\/p>\n\n\n\n<p>The air pressure sensor uses voltage to send signals to the PCM. Once the PCM detects a voltage or resistance that&rsquo;s too low or below the normal range that&rsquo;s set by your vehicle&rsquo;s manufacturer, it&rsquo;ll trigger the P2432 code.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P2432 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 P2432 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Bad <a href=\"https:\/\/www.carparts.com\/secondary-air-injection-pump\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"secondary air injection pump\">secondary air injection pump<\/a><\/li><li>Faulty one-way check valve<\/li><li>Defective air control solenoid valve<\/li><li>Malfunctioning air pressure sensor<\/li><li>Wiring and\/or connector issues<\/li><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>, such as software in need of an update<\/li><\/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 P2432 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><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><li><a href=\"https:\/\/www.carparts.com\/blog\/car-shuts-off-while-driving-causes-what-to-do\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Stalling\">Stalling<\/a><\/li><li>Rough idle<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/my-car-wont-start-what-should-i-do\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Hard start\">Hard start<\/a><\/li><li>SAI system noise<\/li><li>Poor engine performance<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose The P2432 Code<\/h2>\n\n\n\n<p>The P2432 code is a generic trouble code that different vehicles can log. While affected cars might exhibit similar symptoms, the steps to determine the underlying cause of the code can vary between different makes and models.<\/p>\n\n\n\n<p>If you&rsquo;re not confident about diagnosing the problem on your own, it&rsquo;s a good idea to take your ride to an auto repair shop for a proper diagnosis. 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-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Chevrolet Malibu - P2432 Secondary Air Injection System\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/2jntLTB1eic?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 P2432 Code<\/h2>\n\n\n\n<p>Trying to fix a P2432 code can be a complicated task if you don&rsquo;t have the right tools and know-how. We recommend leaving the job to professionals. However, if you&rsquo;re a DIYer with advanced technical knowledge and hands-on experience, you can resolve the P2432 code on your own. Be sure to read up on this error code and consult the appropriate <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>. Vehicle-specific guides are the best resource for this type of issue.<\/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>The secondary air injection (SAI) system in your vehicle is in charge of supplying the air needed during the oxidizing&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2432-code-secondary-air-injection-system-airflow-pressure-sensor-circuit-low-bank-1\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":72000,"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":[1189,1323,1238,1237,2064],"ppma_author":[2607,2855],"class_list":{"0":"post-71998","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-catalytic-converter-2","9":"tag-engine-control-module-2","10":"tag-exhaust-manifold-2","11":"tag-exhaust-system-2","12":"tag-secondary-air-injection-pump","13":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2432 Code: Secondary Air Injection System Airflow \/ Pressure Sensor Circuit Low Bank 1 - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Find out what the code P2432 means and what its usual triggers are. Plus learn its common symptoms and what you can do about the issue.\" \/>\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\/p2432-code-secondary-air-injection-system-airflow-pressure-sensor-circuit-low-bank-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2432 Code: Secondary Air Injection System Airflow \/ Pressure Sensor Circuit Low Bank 1 - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Find out what the code P2432 means and what its usual triggers are. 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