{"id":74323,"date":"2022-10-05T22:12:55","date_gmt":"2022-10-06T05:12:55","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=74323"},"modified":"2023-09-11T20:26:29","modified_gmt":"2023-09-12T03:26:29","slug":"p2430-code-secondary-air-injection-system-air-flow-pressure-sensor-circuit-bank-1","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2430-code-secondary-air-injection-system-air-flow-pressure-sensor-circuit-bank-1\/","title":{"rendered":"P2430 Code: Secondary Air Injection System Air Flow\/Pressure Sensor Circuit 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_89fde5-51 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_89fde5-51 > .kt-inside-inner-col,.kadence-column_89fde5-51 > .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_89fde5-51 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_89fde5-51 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_89fde5-51 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_89fde5-51 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_89fde5-51{position:relative;}@media all and (max-width: 1024px){.kadence-column_89fde5-51 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_89fde5-51 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_89fde5-51 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-98d783  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-df7394\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_754bb2-d2, .wp-block-kadence-advancedheading.kt-adv-heading_754bb2-d2[data-kb-block=\"kb-adv-heading_754bb2-d2\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_754bb2-d2 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_754bb2-d2[data-kb-block=\"kb-adv-heading_754bb2-d2\"] 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_754bb2-d2 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_754bb2-d2[data-kb-block=\"kb-adv-heading_754bb2-d2\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_754bb2-d2 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_754bb2-d2\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>A logged P2430 code means that the powertrain control module has detected an out-of-range signal from the secondary air injection (SAI) system.<\/li><li>A faulty SAI pressure sensor and a bad SAI pump are two of the most common culprits behind a logged P2430.<\/li><li>Other than an illuminated check engine light, another symptom to watch out for is unusual noises from the SAI system.<\/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 delivers fresh air to 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> in order to oxidize unburnt fuel before it leaves the exhaust system. This system uses an SAI pump to pull fresh air into the exhaust port through connected hoses. Some SAI systems use a flow or pressure sensor to monitor system performance. If the powertrain control module (PCM) detects an out-of-range signal from the sensor, the vehicle&rsquo;s computer will set a P2430 code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2430 Code Mean?<\/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 (DTC)\">Diagnostic trouble code (DTC)<\/a> P2430 stands for &ldquo;Secondary Air Injection System Air Flow\/Pressure Sensor Circuit Bank 1.&rdquo; Bank 1 refers to the bank that contains cylinder #1. The location of this cylinder can vary depending on your vehicle.<\/p>\n\n\n\n<p>The SAI system assists the exhaust system in controlling a vehicle&rsquo;s emissions by cutting down the amount of hydrocarbons in the system during a cold start. The PCM uses the SAI pump to send pressurized air into the catalytic converter or exhaust manifold to reduce harmful emissions coming out of a vehicle&rsquo;s <a href=\"https:\/\/www.carparts.com\/tail-pipe\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"tailpipe\">tailpipe<\/a>.<\/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\/09\/secondary-air-injector-sensor-1024x614.jpg\" alt=\"image of a secondary air injector sensor\" class=\"wp-image-74384\" width=\"1024\" height=\"614\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/secondary-air-injector-sensor-1024x614.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/secondary-air-injector-sensor-300x180.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/secondary-air-injector-sensor-768x461.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/secondary-air-injector-sensor-150x90.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/secondary-air-injector-sensor.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Once your car&rsquo;s PCM detects an out-of-range signal from the SAI pressure sensor, it will set a P2430 code.<\/figcaption><\/figure>\n\n\n\n<p>Some SAI systems use a flow or pressure sensor to measure system performance. A P2430 code can be set if the powertrain control module (PCM) detects an out-of-range signal from the sensor. The problems associated with this DTC can become severe over time, so it&rsquo;s important to address this code as soon as possible.<\/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<p><strong><em>Note:<\/em><\/strong><em> The definition of code P2430 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 P2430 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Faulty SAI flow\/<a href=\"https:\/\/www.carparts.com\/secondary-air-injection-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"pressure sensor\">pressure sensor<\/a><\/li><li>Bad <a href=\"https:\/\/www.carparts.com\/secondary-air-injection-pump\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"SAI pump\">SAI pump<\/a><\/li><li>Circuit problems, such as a damaged <a href=\"https:\/\/www.carparts.com\/blog\/car-wiring\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"wire\">wire<\/a> or poor connection<\/li><li>An issue with the PCM<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P2430 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>Noises coming from SAI 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\/09\/secondary-air-injection-pump-1024x682.png\" alt=\"secondary air injection pump image\" class=\"wp-image-74386\" width=\"1024\" height=\"682\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/secondary-air-injection-pump-1024x682.png 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/secondary-air-injection-pump-300x200.png 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/secondary-air-injection-pump-768x511.png 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/secondary-air-injection-pump-600x400.png 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/secondary-air-injection-pump-1200x800.png 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/secondary-air-injection-pump-150x100.png 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/secondary-air-injection-pump.png 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Issues with the SAI pump can register a P2430 code.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2430 Code<\/h2>\n\n\n\n<p>Make sure to <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> before attempting to diagnose a DTC P2430. Some diagnostic steps can vary depending on your vehicle&rsquo;s make and model.<\/p>\n\n\n\n<p>However, if you don&rsquo;t have any auto repair skills and knowledge, we recommend taking your vehicle to an auto repair shop. Professional mechanics can save you from costly mistakes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P2430 Code<\/h2>\n\n\n\n<p>There&rsquo;s no magic bullet solution for troubleshooting a P2430 code. What might work to address a P2430 code for a <a href=\"https:\/\/www.carparts.com\/pontiac\/grand-prix\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Pontiac Grand Prix\">Pontiac Grand Prix<\/a> might not work for a <a href=\"https:\/\/www.carparts.com\/chevrolet\/silverado\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Chevy Silverado\">Chevy Silverado<\/a>. Make sure to review your vehicle&rsquo;s repair manual to figure out the right fix. Fortunately, you won&rsquo;t have a hard time finding OBD-II <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=\"resources online\">resources online<\/a>. We recommend looking for Chilton repair manuals as well as subscribing to ALLDATA&rsquo;s single-vehicle subscription service to get detailed information on your vehicle.<\/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 delivers fresh air to the catalytic converter or exhaust manifold in order to oxidize&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2430-code-secondary-air-injection-system-air-flow-pressure-sensor-circuit-bank-1\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":74383,"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":[2067],"ppma_author":[2607,2855],"class_list":{"0":"post-74323","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-secondary-air-injection-sensor","9":"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>P2430 Code: Secondary Air Injection System Air Flow\/Pressure Sensor Circuit Bank 1 - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Dealing with a P2430 code? Check out this OBD-II article to learn how to resolve this code. Read on for more info.\" \/>\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\/p2430-code-secondary-air-injection-system-air-flow-pressure-sensor-circuit-bank-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2430 Code: Secondary Air Injection System Air Flow\/Pressure Sensor Circuit Bank 1 - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Dealing with a P2430 code? Check out this OBD-II article to learn how to resolve this code. Read on for more info.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p2430-code-secondary-air-injection-system-air-flow-pressure-sensor-circuit-bank-1\/\" \/>\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:published_time\" content=\"2022-10-06T05:12:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-12T03:26:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/diagnosing-car-trouble-code.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"952\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2430-code-secondary-air-injection-system-air-flow-pressure-sensor-circuit-bank-1\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2430-code-secondary-air-injection-system-air-flow-pressure-sensor-circuit-bank-1\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"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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