{"id":19001,"date":"2021-12-02T01:52:00","date_gmt":"2021-12-02T09:52:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=19001"},"modified":"2024-08-12T22:46:07","modified_gmt":"2024-08-13T05:46:07","slug":"p0299-code-turbocharger-supercharger-a-underboost-condition","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0299-code-turbocharger-supercharger-a-underboost-condition\/","title":{"rendered":"P0299 Code: Turbocharger \/ Supercharger \u201cA\u201d Underboost Condition"},"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-column19001_5eb0d4-ca > .kt-inside-inner-col,.kadence-column19001_5eb0d4-ca > .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-column19001_5eb0d4-ca > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column19001_5eb0d4-ca > .kt-inside-inner-col{flex-direction:column;}.kadence-column19001_5eb0d4-ca > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column19001_5eb0d4-ca > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column19001_5eb0d4-ca{position:relative;}@media all and (max-width: 1024px){.kadence-column19001_5eb0d4-ca > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column19001_5eb0d4-ca > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column19001_5eb0d4-ca inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-58497a  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-97487e\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading19001_238d9f-5c, .wp-block-kadence-advancedheading.kt-adv-heading19001_238d9f-5c[data-kb-block=\"kb-adv-heading19001_238d9f-5c\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading19001_238d9f-5c mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading19001_238d9f-5c[data-kb-block=\"kb-adv-heading19001_238d9f-5c\"] 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-heading19001_238d9f-5c img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading19001_238d9f-5c[data-kb-block=\"kb-adv-heading19001_238d9f-5c\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading19001_238d9f-5c summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading19001_238d9f-5c\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The P0299 code stands for &ldquo;Turbocharger\/Supercharger &ldquo;A&rdquo; Underboost Condition.&rdquo;<\/li>\n\n\n\n<li>It&rsquo;s set when the PCM perceives that the bank &ldquo;A&rdquo; single turbocharger or supercharger is producing boost pressure levels in the intake manifold below a certain limit.<\/li>\n\n\n\n<li>Some causes for the issue include intake air restriction, a malfunctioning turbo\/supercharger, or a faulty boost pressure sensor, among others.<\/li>\n\n\n\n<li>An illuminated check engine light, lack of power, and sounds from the engine are three symptoms to keep an eye out for.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The powertrain control module (PCM) may trigger the check engine light and log an engine trouble code once it detects an issue with your engine&rsquo;s turbo\/supercharger. One possible error that may be set in your vehicle&rsquo;s on-board diagnostic (OBD) system is the P0299 code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0299 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\">Diagnostic Trouble Code<\/a> (DTC) P0299 stands for &ldquo;Turbocharger\/Supercharger &ldquo;A&rdquo; Underboost Condition.&rdquo; It is a generic trouble code related to an engine underboost condition. It may be set once the PCM perceives that the bank &ldquo;A&rdquo; single <a href=\"https:\/\/www.carparts.com\/turbocharger\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"turbocharger\">turbocharger<\/a> or <a href=\"https:\/\/www.carparts.com\/supercharger-kit\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"supercharger\">supercharger<\/a> is producing boost pressure levels in the intake manifold below the manufacturer-specified limit.<\/p>\n\n\n\n<p>The engine usually relies on the downward movement of the pistons to create the vacuum needed to draw air and fuel charge into the engine. A turbo\/supercharged engine uses a forced-induction device to draw additional air into the engine.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"602\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/turbocharger-and-supercharger-1024x602.jpg\" alt=\"turbocharger and supercharger\" class=\"wp-image-46497\" style=\"width:1024px;height:602px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/turbocharger-and-supercharger-1024x602.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/turbocharger-and-supercharger-300x176.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/turbocharger-and-supercharger-768x452.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/turbocharger-and-supercharger-1536x904.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/turbocharger-and-supercharger-150x88.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/turbocharger-and-supercharger.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">P0299 Code may be set once the PCM perceives that the bank &ldquo;A&rdquo; single turbocharger or supercharger is producing boost pressure levels in the intake manifold below the manufacturer-specified limit.<\/figcaption><\/figure>\n\n\n\n<p>Turbochargers and superchargers are designed to produce additional pressure (greater than atmospheric pressure) in the <a href=\"https:\/\/www.carparts.com\/intake-manifold\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"intake manifold\">intake manifold<\/a>. This makes it possible for smaller engines to produce power that&rsquo;s normally seen only in larger engines.<\/p>\n\n\n\n<p>There are several factors that can cause engine underboost, and it may differ per vehicle manufacturer. For instance, code P0299 is usually logged on Ford vehicles once the PCM perceives that the actual throttle intake pressure is less than the desired intake pressure for a given amount of time.<\/p>\n\n\n\n<p>For more information that can help you resolve P0299 especially if you&rsquo;re planning a DIY fix, you can read our advanced technical discussion about <a href=\"https:\/\/www.carparts.com\/blog\/p0046-code-turbosupercharger-boost-control-a-circuit-range-performance\/#A_Closer_Look_at_Turbochargers_and_Superchargers\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"turbochargers and superchargers\">turbochargers and superchargers<\/a>.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P0299 may 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 Possible Causes of the P0299 Code?<\/h2>\n\n\n\n<p>Here are the common triggers of this error code:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Intake air restriction or leak<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/bad-turbo-symptoms-plus-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Malfunctioning turbo\/supercharger\">Malfunctioning turbo\/supercharger<\/a><\/li>\n\n\n\n<li>Faulty boost pressure sensor<\/li>\n\n\n\n<li>Wastegate stuck open<\/li>\n\n\n\n<li>Air intake leak<\/li>\n\n\n\n<li>Faulty <a href=\"https:\/\/www.carparts.com\/barometric-pressure-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"BARO\">BARO<\/a>\/<a href=\"https:\/\/www.carparts.com\/blog\/is-it-safe-to-drive-with-a-bad-map-sensor\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"MAP sensor\">MAP sensor<\/a><\/li>\n\n\n\n<li>Restricted intercooler<\/li>\n\n\n\n<li>Circuit issues, such as damaged wires or poor connections<\/li>\n\n\n\n<li>An issue with the <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"PCM\">PCM<\/a>, such as software in need of an update<\/li>\n<\/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<p>There can be other triggers of the code depending on the specific vehicle that you own.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of a P0299 Code?<\/h2>\n\n\n\n<p>Here are some of the common symptoms related to the code:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<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>\n\n\n\n<li>Lack of engine power<\/li>\n\n\n\n<li>Noticeable sounds from the engine\/turbo<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0299 Code<\/h2>\n\n\n\n<p>There are many possible triggers of the P0299 code. Given that these triggers vary per manufacturer, it may be hard to identify the component causing the issue. If you&rsquo;re not an experienced DIYer, it would be best to take your vehicle to an auto repair shop and leave the job to a mechanic.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/obd-codes-checking-procedure-by-tall-male-mechanic-1024x683.jpg\" alt=\"obd codes checking procedure by tall male mechanic\" class=\"wp-image-46498\" style=\"width:1024px;height:683px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/obd-codes-checking-procedure-by-tall-male-mechanic-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/obd-codes-checking-procedure-by-tall-male-mechanic-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/obd-codes-checking-procedure-by-tall-male-mechanic-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/obd-codes-checking-procedure-by-tall-male-mechanic-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/obd-codes-checking-procedure-by-tall-male-mechanic-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/obd-codes-checking-procedure-by-tall-male-mechanic-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/12\/obd-codes-checking-procedure-by-tall-male-mechanic-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\"> Although P0299 is a generic code, repair steps may vary depending on the vehicle that you own. <\/figcaption><\/figure>\n\n\n\n<p>However, if you prefer to diagnose this code yourself, we recommend consulting vehicle-specific <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"repair manuals or online repair databases\">repair manuals or online repair databases<\/a>. These resources provide helpful information on how to diagnose vehicle issues, such as an underboost condition.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P0299 Code<\/h2>\n\n\n\n<p>Fixing a P0299 code isn&rsquo;t easy. Although it is a generic code, repair steps may vary depending on the vehicle that you own. For instance, repair steps for a P0299 on an <a href=\"https:\/\/www.carparts.com\/audi\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Audi\">Audi<\/a> may not work for a P0299 code on a <a href=\"https:\/\/www.carparts.com\/ford\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Ford\">Ford<\/a>.<\/p>\n\n\n\n<p>If you&rsquo;re not equipped with the skills and tools to get the job done, take your vehicle to an auto repair shop. A mechanic would know how to clear a P0299 code. We also recommend consulting a vehicle-specific repair manual or online repair database to help you find the repair procedures that may work for your vehicle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fix a P0299 Code With a New Turbo or MAP Sensor<\/h2>\n\n\n\n<p>The P0299 code is stored because the vehicle&rsquo;s sensors detect that the turbocharger isn&rsquo;t creating enough boost pressure. Either a turbocharger or the sensor itself could be faulty. If these problems aren&rsquo;t properly addressed, your vehicle is going to continue to have engine performance issues. Good thing you can get the right replacement parts for your vehicle in just a few clicks here at CarParts.com.<\/p>\n\n\n\n<p>Whether you need a turbocharger or MAP sensor, you can be confident that <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a> has a great selection. We only choose parts that can fit properly and perform reliably. We also source parts from reputable manufacturers to ensure that they&rsquo;ve passed stringent quality control standards.<\/p>\n\n\n\n<p>Reliability is important when it comes to engine components. Rest assured that you&rsquo;re getting the best when you shop for a new <a href=\"https:\/\/www.carparts.com\/map-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"MAP sensor\">MAP sensor<\/a> and <a href=\"https:\/\/www.carparts.com\/turbocharger\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"turbocharger\">turbocharger<\/a> here at CarParts.com!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Products Mentioned in this Guide <\/h2>\n\n\n\n<div class=\"reusable-productlink\"> \n\n  \n\n    <!-- start of editable content --> \n\n  \n\n    <a href=\"https:\/\/www.carparts.com\/turbocharger\" target=\"_blank\" aria-label=\"turbocharger\" rel=\"noopener\"> \n\n        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/repd290103_1\" alt=\"turbocharger\"> \n\n<strong>Turbocharger<\/strong> \n\n    <\/a> \n\n    <a href=\"https:\/\/www.carparts.com\/supercharger-kit\" target=\"_blank\" aria-label=\"supercharger kit\" rel=\"noopener\"> \n\n        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/a12r101_1\" alt=\"supercharger kit\"> \n\n<strong>Supercharger Kit<\/strong> \n\n    <\/a> \n  \n\n     <a href=\"https:\/\/www.carparts.com\/map-sensor\" target=\"_blank\" aria-label=\"map sensor\" rel=\"noopener\"> \n\n        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/rc31520001_1\" alt=\"map sensor\"> \n\n<strong>MAP Sensor<\/strong> \n\n    <\/a> \n\n     <!-- end of editable content --> \n\n  \n\n<\/div>\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>The powertrain control module (PCM) may trigger the check engine light and log an engine trouble code once it detects&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0299-code-turbocharger-supercharger-a-underboost-condition\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":16471,"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":[929,930],"ppma_author":[2607,2985],"class_list":{"0":"post-19001","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-supercharger-kit","9":"tag-turbocharger","10":"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>P0299 Code: Turbocharger \/ Supercharger \u201cA\u201d Underboost Condition - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Are you wondering what error code P0299 means? Read on to learn about its possible causes, common symptoms, and the correct approach to fixing the problem.\" \/>\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\/p0299-code-turbocharger-supercharger-a-underboost-condition\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0299 Code: Turbocharger \/ Supercharger \u201cA\u201d Underboost Condition - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Are you wondering what error code P0299 means? 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