{"id":72157,"date":"2022-09-02T00:34:47","date_gmt":"2022-09-02T07:34:47","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=72157"},"modified":"2023-09-04T22:54:25","modified_gmt":"2023-09-05T05:54:25","slug":"p2009-code-intake-manifold-runner-control-circuit-low-bank-1","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2009-code-intake-manifold-runner-control-circuit-low-bank-1\/","title":{"rendered":"P2009 Code: Intake Manifold Runner Control 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_ceafd1-4e > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_ceafd1-4e > .kt-inside-inner-col,.kadence-column_ceafd1-4e > .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_ceafd1-4e > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_ceafd1-4e > .kt-inside-inner-col{flex-direction:column;}.kadence-column_ceafd1-4e > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_ceafd1-4e > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_ceafd1-4e{position:relative;}@media all and (max-width: 1024px){.kadence-column_ceafd1-4e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_ceafd1-4e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_ceafd1-4e qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-5cc680  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-a1b970\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_12714c-46, .wp-block-kadence-advancedheading.kt-adv-heading_12714c-46[data-kb-block=\"kb-adv-heading_12714c-46\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_12714c-46 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_12714c-46[data-kb-block=\"kb-adv-heading_12714c-46\"] 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_12714c-46 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_12714c-46[data-kb-block=\"kb-adv-heading_12714c-46\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_12714c-46 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_12714c-46\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>DTC P2009 stands for &ldquo;Intake Manifold Runner Control Circuit Low Bank 1.&rdquo;<\/li><li>This code is may be set due to restricted vacuum lines, PCM failure, or intake manifold runner control actuator failure.<\/li><li>Common symptoms associated with this code include engine surge, hesitation upon acceleration, and increased fuel consumption.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">An <a href=\"https:\/\/www.carparts.com\/intake-manifold-runner\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"intake manifold runner\">intake manifold runner<\/a> distributes air to ports in the <a href=\"https:\/\/www.carparts.com\/cylinder-head\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"cylinder head\">cylinder head<\/a>, helping improve the engine airflow process. In most cases, a runner can be tuned by adjusting its length and shape. Long runners build low RPM torque, while short runners provide maximum high <a href=\"https:\/\/www.carparts.com\/blog\/what-does-car-rpm-stand-for\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"RPM\">RPM<\/a> power.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the entire intake manifold runner control system to work as it should, the butterfly valves inside the <a href=\"https:\/\/www.carparts.com\/intake-manifold\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"intake manifold\">intake manifold<\/a> must open and close at the right time. If 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) detects a problem with one of the runners&rsquo; control circuits, it will log a P2009 code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2009 Code Mean?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><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) P2009 stands for &ldquo;Intake Manifold Runner Control Circuit Low Bank 1.&rdquo;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The intake manifold runner control system has butterfly valves that open once prompted by the PCM. This process lets air into the combustion chamber and mixes it with fuel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Runners are typically found in a variable intake manifold. This type of intake manifold uses a technology that varies the length of the runners&rsquo; airflow passages, which in turn fine-tunes engine performance.<\/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\/car-intake-manifold-replacement-1024x681.jpg\" alt=\"car intake manifold replacement\" class=\"wp-image-72158\" width=\"1024\" height=\"681\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-intake-manifold-replacement-1024x681.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-intake-manifold-replacement-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-intake-manifold-replacement-768x511.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-intake-manifold-replacement-1536x1022.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-intake-manifold-replacement-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-intake-manifold-replacement-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-intake-manifold-replacement-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>An intake manifold runner distributes air to ports in the cylinder head, helping improve the engine airflow process.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The intake manifold runner control system has an actuator that controls the butterfly valves. These valves usually have access to short and long airflow paths. Unfortunately, these valves in the control system are a common source of engine performance issues, which can cause the PCM to log a P2009 code.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Note:<\/em><\/strong><em> The definition of <\/em><em>code P2009<\/em><em> 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 P2009 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Restricted vacuum lines<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"PCM failure\">PCM failure<\/a><\/li><li>Intake manifold runner control actuator failure<\/li><li>Wiring issues (e.g., corroded connector, open or shorted wiring in the actuator, etc.)<\/li><li>Faulty <a href=\"https:\/\/www.carparts.com\/map-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"manifold absolute pressure (MAP) sensor\">manifold absolute pressure (MAP) sensor<\/a><\/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 P2009 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Engine surge<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-hesitates-when-accelerating-causes-and-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Hesitation upon acceleration\">Hesitation upon acceleration<\/a><\/li><li>Increased fuel consumption<\/li><li>Poor engine performance at low RPMs<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/what-is-a-good-air-fuel-ratio-chart-included\/#What_is_a_Rich_and_Lean_Mixture\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Rich or lean exhaust\">Rich or lean exhaust<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2009 Code<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A P2009 is a generic trouble code that can be logged in vehicles with an OBD-II system. However, keep in mind that the steps for diagnosis and repair can vary, depending on vehicle specifications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you&rsquo;re not familiar with the process of diagnosing trouble codes, it&rsquo;s best to leave the job to the pros. But if you think you have the technical knowledge to diagnose your vehicle, then you can go ahead and do it yourself. To help you out, here is a video that shows you what the process usually involves.<\/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=\"Mazda 3 P2009 P2004\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/7qm8-wFW51Y?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 P2009 Code<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Attempting to fix a P2009 code can be tricky if you don&rsquo;t have the right tools and know-how. To ensure that the problem is resolved properly, it&rsquo;s a good idea to bring your vehicle to the nearest repair shop and have a trained professional perform the necessary repairs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But if you think you can do it on your own, 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=\"have the right information\">have the right information<\/a> before proceeding. Guides like those from Chilton or an ALLDATA subscription contain vehicle-specific repair information, which will come in handy when resolving trouble codes like P2009.<\/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>An intake manifold runner distributes air to ports in the cylinder head, helping improve the engine airflow process. In most&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2009-code-intake-manifold-runner-control-circuit-low-bank-1\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":72160,"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":[1183,1323,1186,1874,3164,1355],"ppma_author":[2607,2855],"class_list":["post-72157","post","type-post","status-publish","format-standard","has-post-thumbnail","category-obd-ii-trouble-codes","tag-cylinder-head-2","tag-engine-control-module-2","tag-intake-manifold","tag-intake-manifold-runner","tag-intake-manifold-runner-control","tag-map-sensor-2","entry"],"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2009 Code: Intake Manifold Runner Control Circuit Low Bank 1 - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Got a code P2009 on your OBD scanner? Learn what this code means, including its usual signs and causes. 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\/p2009-code-intake-manifold-runner-control-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=\"P2009 Code: Intake Manifold Runner Control Circuit Low Bank 1 - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Got a code P2009 on your OBD scanner? Learn what this code means, including its usual signs and causes. 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