{"id":19034,"date":"2021-10-26T20:36:00","date_gmt":"2021-10-27T03:36:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=19034"},"modified":"2026-02-18T00:25:53","modified_gmt":"2026-02-18T08:25:53","slug":"p0234-code-turbocharger-supercharger-a-overboost-condition","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/","title":{"rendered":"P0234 Code: Turbocharger \/ Supercharger \u201cA\u201d Overboost 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\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column19034_612aff-e2 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column19034_612aff-e2 > .kt-inside-inner-col,.kadence-column19034_612aff-e2 > .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-column19034_612aff-e2 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column19034_612aff-e2 > .kt-inside-inner-col{flex-direction:column;}.kadence-column19034_612aff-e2 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column19034_612aff-e2 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column19034_612aff-e2{position:relative;}@media all and (max-width: 1024px){.kadence-column19034_612aff-e2 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column19034_612aff-e2 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column19034_612aff-e2 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-bd6b06  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-0dd341\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading19034_716605-8b, .wp-block-kadence-advancedheading.kt-adv-heading19034_716605-8b[data-kb-block=\"kb-adv-heading19034_716605-8b\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading19034_716605-8b mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading19034_716605-8b[data-kb-block=\"kb-adv-heading19034_716605-8b\"] 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-heading19034_716605-8b img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading19034_716605-8b[data-kb-block=\"kb-adv-heading19034_716605-8b\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading19034_716605-8b summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading19034_716605-8b\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DTC P0234 stands for &ldquo;Turbocharger\/Supercharger &ldquo;A&rdquo; Overboost Condition.&rdquo;<\/li>\n\n\n\n<li>Code P0234 is usually triggered when your vehicle&rsquo;s powertrain control module detects that the boost pressure in the forced induction system is too high.<\/li>\n\n\n\n<li>Common symptoms of code P0234 include a lit check engine light, weak engine power, limp mode, and unusual sounds coming from the engine.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Many modern vehicles are equipped with either a turbocharger or supercharger to boost their engine&rsquo;s efficiency and power output. However, just like any other component in the engine, turbo\/superchargers may malfunction at one point.<\/p>\n\n\n\n<p>P0234 is an engine trouble code related to a turbo\/supercharger overboost condition. This guide contains basic information that may be helpful if your scan tool has retrieved this code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0234 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) P0234 stands for &ldquo;Turbocharger\/Supercharger &ldquo;A&rdquo; Overboost Condition.&rdquo; It is logged once your vehicle&rsquo;s <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> (PCM) perceives that the boost pressure in the forced induction system is too high or beyond the manufacturer-specified limit.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"612\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/turbocharger-of-a-car-engine-1024x612.jpg\" alt=\"turbocharger of a car engine\" class=\"wp-image-45321\" style=\"width:1024px;height:612px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/turbocharger-of-a-car-engine-1024x612.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/turbocharger-of-a-car-engine-300x179.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/turbocharger-of-a-car-engine-768x459.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/turbocharger-of-a-car-engine-1536x918.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/turbocharger-of-a-car-engine-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/turbocharger-of-a-car-engine-150x90.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Many modern vehicles are equipped with either a turbocharger or supercharger to boost their engine&rsquo;s efficiency and power output.<\/figcaption><\/figure>\n\n\n\n<p>For example, the 2017 Ford Edge sets P0234 when the actual boost pressure is greater than the desired value by 4 psi or more for 5 seconds.<\/p>\n\n\n<style>.kadence-column19034_4a1109-52 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column19034_4a1109-52 > .kt-inside-inner-col,.kadence-column19034_4a1109-52 > .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-column19034_4a1109-52 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column19034_4a1109-52 > .kt-inside-inner-col{flex-direction:column;}.kadence-column19034_4a1109-52 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column19034_4a1109-52 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column19034_4a1109-52{position:relative;}@media all and (max-width: 1024px){.kadence-column19034_4a1109-52 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column19034_4a1109-52 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column19034_4a1109-52 kb-section-dir-vertical kb-section-sm-dir-vertical inner-column-1 pro-tip-widget\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id19034_8903a1-e8 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id19034_8903a1-e8 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id19034_8903a1-e8 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-none, 0rem );row-gap:var(--global-kb-gap-md, 2rem);padding-top:20px;padding-bottom:20px;padding-left:16px;padding-right:32px;grid-template-columns:minmax(0, calc(10% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)))minmax(0, calc(90% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)));}.kb-row-layout-id19034_8903a1-e8 > .kt-row-layout-overlay{opacity:0.00;}.kb-row-layout-id19034_8903a1-e8 .kt-row-layout-bottom-sep{height:100px;}.kb-row-layout-id19034_8903a1-e8 .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id19034_8903a1-e8 .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}.kb-row-layout-id19034_8903a1-e8 .kt-row-layout-top-sep{height:100px;}.kb-row-layout-id19034_8903a1-e8 .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id19034_8903a1-e8 .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){.kb-row-layout-id19034_8903a1-e8 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){.kb-row-layout-id19034_8903a1-e8 .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id19034_8903a1-e8 .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id19034_8903a1-e8 > .kt-row-column-wrap{padding-top:28px;padding-bottom:25px;padding-left:16px;padding-right:16px;grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}.kb-row-layout-id19034_8903a1-e8 .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id19034_8903a1-e8 .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id19034_8903a1-e8 alignnone pro-tip-wrap wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-right-golden kt-tab-layout-right-golden kt-mobile-layout-right-golden kt-row-valign-top\">\n<style>.kadence-column19034_0368d7-97 > .kt-inside-inner-col{display:flex;}.kadence-column19034_0368d7-97 > .kt-inside-inner-col{min-height:45px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column19034_0368d7-97 > .kt-inside-inner-col,.kadence-column19034_0368d7-97 > .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-column19034_0368d7-97 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column19034_0368d7-97 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column19034_0368d7-97 > .kt-inside-inner-col > *, .kadence-column19034_0368d7-97 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column19034_0368d7-97 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column19034_0368d7-97 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column19034_0368d7-97 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column19034_0368d7-97{position:relative;}@media all and (max-width: 1024px){.kadence-column19034_0368d7-97 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column19034_0368d7-97 > .kt-inside-inner-col > *, .kadence-column19034_0368d7-97 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column19034_0368d7-97 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column19034_0368d7-97 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column19034_0368d7-97 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column19034_0368d7-97 > .kt-inside-inner-col > *, .kadence-column19034_0368d7-97 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column19034_0368d7-97 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column19034_0368d7-97 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column19034_0368d7-97 kb-section-dir-horizontal kb-section-md-dir-horizontal inner-column-1 pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image19034_eed783-c3.kb-image-is-ratio-size, .kb-image19034_eed783-c3 .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image19034_eed783-c3.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image19034_eed783-c3 .kb-image-is-ratio-size{align-self:unset;}.kb-image19034_eed783-c3 figure{max-width:45px;}.kb-image19034_eed783-c3 .image-is-svg, .kb-image19034_eed783-c3 .image-is-svg img{width:100%;}.kb-image19034_eed783-c3 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image19034_eed783-c3\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto,c_pad\/carparts\/blog\/widgets\/protip\/services-icon\" alt=\"\" class=\"kb-img\"><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column19034_7d40f3-08 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column19034_7d40f3-08 > .kt-inside-inner-col,.kadence-column19034_7d40f3-08 > .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-column19034_7d40f3-08 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column19034_7d40f3-08 > .kt-inside-inner-col{flex-direction:column;}.kadence-column19034_7d40f3-08 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column19034_7d40f3-08 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column19034_7d40f3-08{position:relative;}@media all and (max-width: 1024px){.kadence-column19034_7d40f3-08 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column19034_7d40f3-08 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column19034_7d40f3-08 inner-column-2 pro-tip-item2\"><div class=\"kt-inside-inner-col\">\n<div class=\"protip-desc\">\n\t<div class=\"help-tip\">\n\t\t<p><strong>Pro Tips<\/strong> are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.<\/p>\n\t<\/div>\n    <div class=\"help-caption\">\n        <p>\n            <strong>Pro Tip:<\/strong>\nOverboosting is really bad for the engine. In fact, some late &lsquo;80s turbocharged Saab platforms had a pressure switch piped to the manifold that would kill power to the injectors if the manifold boost pressure exceeded the switch&rsquo;s calibrated limit.\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-data443-irp-shortcode irp-shortcode\"><div style=\"clear:both; margin-top:0em; margin-bottom:1em;\"><a href=\"https:\/\/www.carparts.com\/blog\/p0400-code-exhaust-gas-recirculation-egr-flow-malfunction\/\" target=\"_self\" rel=\"dofollow\" class=\"u9d4c42aeb226d9d88bfb2208e280ed95\"><style> .u9d4c42aeb226d9d88bfb2208e280ed95 { padding:0px; margin: 0; padding-top:1em!important; padding-bottom:1em!important; width:100%; display: block; font-weight:bold; background-color:#eaeaea; border:0!important; border-left:4px solid #34495E!important; text-decoration:none; } .u9d4c42aeb226d9d88bfb2208e280ed95:active, .u9d4c42aeb226d9d88bfb2208e280ed95:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .u9d4c42aeb226d9d88bfb2208e280ed95 { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .u9d4c42aeb226d9d88bfb2208e280ed95 .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .u9d4c42aeb226d9d88bfb2208e280ed95 .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .u9d4c42aeb226d9d88bfb2208e280ed95:hover .postTitle { text-decoration: underline!important; } <\/style><div style=\"padding-left:1em; padding-right:1em;\"><span class=\"ctaText\">See also<\/span>&nbsp; <span class=\"postTitle\">P0400 Code: Exhaust Gas Recirculation (EGR) Flow Malfunction<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<p>To better understand this error code, let&rsquo;s look at how turbo\/superchargers work. The engine normally relies on the vacuum created by the movement of the <a href=\"https:\/\/www.carparts.com\/piston\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"pistons\">pistons<\/a> to pull air and fuel charge into the engine. Engines that work this way are referred to as &ldquo;naturally aspirated.&rdquo;<\/p>\n\n\n\n<p>A turbo\/supercharged engine uses an air compressor in order to pull additional air and fuel charge into the engine. This allows smaller engines to give out a power output that you would normally see on a much larger engine.<\/p>\n\n\n\n<p>Turbo\/supercharged systems are designed to create additional pressure in the intake manifold. Although additional pressure in the manifold is tolerable for your engine, dangerously high levels of boost pressure may cause too much stress on your engine components. To prevent this from happening, engines have set boost pressure limits.<\/p>\n\n\n\n<p>Once the PCM perceives that the boost pressure has exceeded the manufacturer-specified limit, it will trigger code P0234. This code must be addressed right away to avoid damaging other engine components.<\/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>For more information that could help you come up with a DIY fix for P0234, you may read our 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>. If you wish to quickly learn the possible causes of P0234, read the following section.<\/p>\n\n\n\n<div class=\"wp-block-data443-irp-shortcode irp-shortcode\"><div style=\"clear:both; margin-top:0em; margin-bottom:1em;\"><a href=\"https:\/\/www.carparts.com\/blog\/turbocharger-vs-supercharger-which-is-better\/\" target=\"_self\" rel=\"dofollow\" class=\"u7381d008d992a35ff42d7477d1ef9119\"><style> .u7381d008d992a35ff42d7477d1ef9119 { padding:0px; margin: 0; padding-top:1em!important; padding-bottom:1em!important; width:100%; display: block; font-weight:bold; background-color:#eaeaea; border:0!important; border-left:4px solid #34495E!important; text-decoration:none; } .u7381d008d992a35ff42d7477d1ef9119:active, .u7381d008d992a35ff42d7477d1ef9119:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .u7381d008d992a35ff42d7477d1ef9119 { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .u7381d008d992a35ff42d7477d1ef9119 .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .u7381d008d992a35ff42d7477d1ef9119 .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .u7381d008d992a35ff42d7477d1ef9119:hover .postTitle { text-decoration: underline!important; } <\/style><div style=\"padding-left:1em; padding-right:1em;\"><span class=\"ctaText\">See also<\/span>&nbsp; <span class=\"postTitle\">Turbocharger vs. Supercharger: Which is Better?<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P0234 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 P0234 Code?<\/h2>\n\n\n\n<p>Here are the common triggers of the P0234 code:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Wastegate that&rsquo;s stuck closed<\/li>\n\n\n\n<li>Bent wastegate actuator rod<\/li>\n\n\n\n<li>Damaged wastegate solenoid<\/li>\n\n\n\n<li>Incorrect wastegate adjustment<\/li>\n\n\n\n<li>Wastegate control hose open or plugged<\/li>\n\n\n\n<li>Wiring or connector issues<\/li>\n\n\n\n<li>Faulty <a href=\"https:\/\/www.carparts.com\/turbocharger-boost-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"boost sensor\">boost sensor<\/a><\/li>\n\n\n\n<li>Failed <a href=\"https:\/\/www.carparts.com\/turbocharger\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"turbocharger\">turbocharger<\/a><\/li>\n\n\n\n<li>Faulty BARO\/<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>Exhaust restriction<\/li>\n\n\n\n<li>An issue with the PCM, such as software in need of an update<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of a P0234 Code?<\/h2>\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\/10\/check-engine-light-illuminated-close-inspection-1024x683.jpg\" alt=\"check engine light illuminated close inspection\" class=\"wp-image-45319\" style=\"width:1024px;height:683px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-illuminated-close-inspection-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-illuminated-close-inspection-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-illuminated-close-inspection-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-illuminated-close-inspection-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-illuminated-close-inspection-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-illuminated-close-inspection-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/check-engine-light-illuminated-close-inspection-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">An illuminated check engine light is a common symptom of a P0234 Code.<\/figcaption><\/figure>\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=\"Activated check engine light\">Activated check engine light<\/a><\/li>\n\n\n\n<li>Lack of engine power<\/li>\n\n\n\n<li>Vehicle stuck in &ldquo;limp&rdquo; mode<\/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 P0234 Code<\/h2>\n\n\n\n<p>It isn&rsquo;t easy to diagnose a P0234 code. There are several factors that can cause high levels of boost in the engine. Identifying which one triggered the code can prove challenging&mdash;especially if you don&rsquo;t have enough experience in auto repair. If you&rsquo;re not an experienced DIYer, it is best to take your vehicle to an auto repair shop and let a mechanic do the job for you.<\/p>\n\n\n\n<div class=\"wp-block-data443-irp-shortcode irp-shortcode\"><div style=\"clear:both; margin-top:0em; margin-bottom:1em;\"><a href=\"https:\/\/www.carparts.com\/blog\/p0306-code-cylinder-6-misfire-detected\/\" target=\"_self\" rel=\"dofollow\" class=\"u2dedc29133957a7c0ba76a6eb2f66003\"><style> .u2dedc29133957a7c0ba76a6eb2f66003 { padding:0px; margin: 0; padding-top:1em!important; padding-bottom:1em!important; width:100%; display: block; font-weight:bold; background-color:#eaeaea; border:0!important; border-left:4px solid #34495E!important; text-decoration:none; } .u2dedc29133957a7c0ba76a6eb2f66003:active, .u2dedc29133957a7c0ba76a6eb2f66003:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .u2dedc29133957a7c0ba76a6eb2f66003 { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .u2dedc29133957a7c0ba76a6eb2f66003 .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .u2dedc29133957a7c0ba76a6eb2f66003 .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .u2dedc29133957a7c0ba76a6eb2f66003:hover .postTitle { text-decoration: underline!important; } <\/style><div style=\"padding-left:1em; padding-right:1em;\"><span class=\"ctaText\">See also<\/span>&nbsp; <span class=\"postTitle\">P0306 Code: Cylinder 6 Misfire Detected<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<p>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 can help you identify the diagnostic procedures that may work for your vehicle.<\/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=\"How to Use An OBD2 Code Reader in 3 Min! (Beginner DIY)\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/DfIMwov4FgQ?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<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P0234 Code<\/h2>\n\n\n\n<p>P0234 is a generic trouble code, which means it may be set in various makes and models. Unfortunately, there is no universal solution that would work for all vehicles. For instance, repair procedures for a P0234 on a Nissan may not work for a P0234 on a Ford.<\/p>\n\n\n\n<p>If you&rsquo;re not equipped with adequate knowledge and tools to get the job done, it&rsquo;s best to take your vehicle to an auto repair shop. If you decide to troubleshoot it on your own, we recommend consulting a vehicle-specific repair manual or subscribing to an online repair database.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get a New Wastegate for Your Vehicle<\/h2>\n\n\n\n<p>It&rsquo;s best to stop driving your vehicle until you&rsquo;ve cleared the P0234 code, which usually involves replacing a faulty <a href=\"https:\/\/www.carparts.com\/wastegate\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"wastegate\">wastegate<\/a>. Otherwise, you might experience the symptoms above and more, as the malfunctioning or damaged part can affect other components.&nbsp; Why put off resolving the issue when you can shop for a high-quality replacement piece at <a href=\"https:\/\/www.carparts.com\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"CarParts.com\">CarParts.com<\/a>?<\/p>\n\n\n\n<p>Online shopping has never been easier, as we have a built-in vehicle selector that lets you view the parts that fit your ride. The accurate and detailed fitment information makes for a straightforward and hassle-free customer experience, something we highly value.<\/p>\n\n\n\n<p>You can also expect your new wastegate to arrive as early as two business days, as we have warehouses strategically located across the country. If you have any questions, our friendly customer service team is available 24\/7 to assist you.<\/p>\n\n\n\n<p>Shop now to get your replacement quality wastegate in no time.<\/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<!-- start of editable content -->\n\n<a href=\"https:\/\/www.carparts.com\/piston\" target=\"_blank\" aria-label=\"piston\" rel=\"noopener\">\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\/dnjp105_1\">\n<strong>Piston<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/turbocharger-boost-sensor\" target=\"_blank\" aria-label=\"turbocharger boost sensor\" rel=\"noopener\">\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\/rb31520001_1\">\n<strong>Turbocharger Boost Sensor<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/turbocharger\" target=\"_blank\" aria-label=\"turbocharger\" rel=\"noopener\">\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\">\n<strong>Turbocharger<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/map-sensor\" target=\"_blank\" aria-label=\"map sensor\" rel=\"noopener\">\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\">\n<strong>MAP Sensor<\/strong>\n<\/a>\n\n<!-- end of editable content -->\n\n<\/div>\n\n\n\n<div class=\"shop-project\">\n\n    <h2>Shop this Project<\/h2>\n\n    <ul class=\"shop-project-list\">\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/turbocharger\/replacement\/reps290104\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/reps290104_1\" alt=\"Replacement &ndash; New Turbocharger\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/reps290104_1\" alt=\"Replacement &ndash; New Turbocharger\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/turbocharger\/replacement\/reps290104\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Replacement &ndash; New Turbocharger\">Replacement &ndash; New Turbocharger<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$299.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/turbocharger\/replacement\/reps290104\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/supercharger-kit\/mopar\/mop68190237ab\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/mop68190237ab_1\" alt=\"Mopar&reg; &ndash; 68190237AB Supercharger Kit &ndash; Direct Fit\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/mop68190237ab_1\" alt=\"Mopar&reg; &ndash; 68190237AB Supercharger Kit &ndash; Direct Fit\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/supercharger-kit\/mopar\/mop68190237ab\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Mopar&reg; &ndash; 68190237AB Supercharger Kit &ndash; Direct Fit\">Mopar&reg; &ndash; 68190237AB Supercharger Kit &ndash; Direct Fit<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-0.svg\" alt=\"0 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$521.49<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/supercharger-kit\/mopar\/mop68190237ab\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/wastegate\/ac-delco\/ac214637\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/ac-delco-wastegate-1024x683.png\" alt=\"AC Delco&reg; &ndash; 214-637 Wastegate\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/ac-delco-wastegate-1024x683.png\" alt=\"AC Delco&reg; &ndash; 214-637 Wastegate\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/wastegate\/ac-delco\/ac214637\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"AC Delco&reg; &ndash; 214-637 Wastegate\">AC Delco&reg; &ndash; 214-637 Wastegate<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-0.svg\" alt=\"0 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$38.49<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/wastegate\/ac-delco\/ac214637\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n            <\/ul>\n<\/div>\n\n\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\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Many modern vehicles are equipped with either a turbocharger or supercharger to boost their engine&rsquo;s efficiency and power output. However,&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":19036,"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":[1323,1355,929,930,2033],"ppma_author":[2607,2985],"class_list":{"0":"post-19034","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-engine-control-module-2","9":"tag-map-sensor-2","10":"tag-supercharger-kit","11":"tag-turbocharger","12":"tag-wastegate-actuator","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>P0234 Code: Turbocharger \/ Supercharger \u201cA\u201d Overboost Condition - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Did your scan tool read a P0234 code? Learn more about its possible triggers, common symptoms, and the correct way to fix the issue. Read more.\" \/>\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\/p0234-code-turbocharger-supercharger-a-overboost-condition\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0234 Code: Turbocharger \/ Supercharger \u201cA\u201d Overboost Condition - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Did your scan tool read a P0234 code? Learn more about its possible triggers, common symptoms, and the correct way to fix the issue. Read more.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/\" \/>\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:author\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2021-10-27T03:36:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-18T08:25:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/P0234-code.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"CarParts.com Research Team, Richard McCuistian, ASE Certified Master Automobile Technician\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/CarPartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"CarParts.com Research Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0234-code-turbocharger-supercharger-a-overboost-condition\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0234-code-turbocharger-supercharger-a-overboost-condition\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"1651\",\"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. Guided by CarParts.com&#039;s thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.\",\"knowsAbout\":\"Auto Repair, Car Maintenance, Auto Parts, Car Reviews\",\"publishingPrinciples\":\"\\\/blog\\\/our-team\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/thecpteam\\\/\",\"sameAs\":\"https:\\\/\\\/www.facebook.com\\\/carpartscom, https:\\\/\\\/twitter.com\\\/CarPartscom, https:\\\/\\\/www.youtube.com\\\/@CarPartscomOfficial\\\/, https:\\\/\\\/www.instagram.com\\\/carpartscom\\\/\"},{\"@type\":\"Person\",\"$id\":\"1651\",\"name\":\"Richard McCuistian\",\"jobTitle\":\"ASE Master Automobile Technician\",\"description\":\"Richard McCuistian has worked for nearly 50 years in the automotive field as a professional technician, an instructor, and a freelance automotive writer for Motor Age, ACtion magazine, Power Stroke Registry, and others. Richard is ASE certified for more than 30 years in 10 categories, including L1 Advanced Engine Performance and Light Vehicle Diesel.\",\"knowsAbout\":\"Auto Repair, Car Maintenance, Auto Parts, Car Reviews\",\"publishingPrinciples\":\"\\\/blog\\\/our-team\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/richardmccuistian\\\/\",\"sameAs\":\"https:\\\/\\\/www.linkedin.com\\\/in\\\/richard-mccuistian-2681891b\\\/, https:\\\/\\\/www.youtube.com\\\/user\\\/McCuistian\"}],\"headline\":\"P0234 Code: Turbocharger \\\/ Supercharger \u201cA\u201d Overboost Condition\",\"datePublished\":\"2021-10-27T03:36:00+00:00\",\"dateModified\":\"2026-02-18T08:25:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0234-code-turbocharger-supercharger-a-overboost-condition\\\/\"},\"wordCount\":1060,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0234-code-turbocharger-supercharger-a-overboost-condition\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/11\\\/P0234-code.jpeg\",\"keywords\":[\"engine-control-module\",\"map-sensor\",\"supercharger-kit\",\"turbocharger\",\"wastegate-actuator\"],\"articleSection\":[\"OBD-II Trouble Codes\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0234-code-turbocharger-supercharger-a-overboost-condition\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0234-code-turbocharger-supercharger-a-overboost-condition\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0234-code-turbocharger-supercharger-a-overboost-condition\\\/\",\"name\":\"P0234 Code: Turbocharger \\\/ Supercharger \u201cA\u201d Overboost Condition - In The Garage with CarParts.com\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0234-code-turbocharger-supercharger-a-overboost-condition\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0234-code-turbocharger-supercharger-a-overboost-condition\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/11\\\/P0234-code.jpeg\",\"datePublished\":\"2021-10-27T03:36:00+00:00\",\"dateModified\":\"2026-02-18T08:25:53+00:00\",\"description\":\"Did your scan tool read a P0234 code? Learn more about its possible triggers, common symptoms, and the correct way to fix the issue. Read more.\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0234-code-turbocharger-supercharger-a-overboost-condition\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0234-code-turbocharger-supercharger-a-overboost-condition\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/11\\\/P0234-code.jpeg\",\"contentUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/11\\\/P0234-code.jpeg\",\"width\":1500,\"height\":1000,\"caption\":\"P0234 code\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/\",\"name\":\"In The Garage with CarParts.com\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#organization\",\"name\":\"CarParts.com\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/cp-itg-logo.png\",\"contentUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/cp-itg-logo.png\",\"width\":2048,\"height\":398,\"caption\":\"CarParts.com\"},\"image\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/carpartscom\",\"https:\\\/\\\/x.com\\\/carpartscom\",\"https:\\\/\\\/www.instagram.com\\\/carpartscom\",\"https:\\\/\\\/www.youtube.com\\\/@CarPartscomOfficial\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#\\\/schema\\\/person\\\/9f8a8b00e1b9f62f86295617b525e1f0\",\"name\":\"CarParts.com Research Team\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/thecpteam.jpg485c93be26f8b27acc17cbe4a2313397\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/thecpteam.jpg\",\"contentUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/thecpteam.jpg\",\"caption\":\"CarParts.com Research Team\"},\"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. Guided by CarParts.com's thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.\",\"sameAs\":[\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/thecpteam\\\/\",\"https:\\\/\\\/www.facebook.com\\\/carpartscom\",\"https:\\\/\\\/www.instagram.com\\\/carpartscom\\\/\",\"https:\\\/\\\/x.com\\\/https:\\\/\\\/twitter.com\\\/CarPartscom\",\"https:\\\/\\\/www.youtube.com\\\/@CarPartscomOfficial\\\/\"],\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/thecpteam\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"P0234 Code: Turbocharger \/ Supercharger \u201cA\u201d Overboost Condition - In The Garage with CarParts.com","description":"Did your scan tool read a P0234 code? Learn more about its possible triggers, common symptoms, and the correct way to fix the issue. Read more.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/","og_locale":"en_US","og_type":"article","og_title":"P0234 Code: Turbocharger \/ Supercharger \u201cA\u201d Overboost Condition - In The Garage with CarParts.com","og_description":"Did your scan tool read a P0234 code? Learn more about its possible triggers, common symptoms, and the correct way to fix the issue. Read more.","og_url":"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/","og_site_name":"In The Garage with CarParts.com","article_publisher":"https:\/\/www.facebook.com\/carpartscom","article_author":"https:\/\/www.facebook.com\/carpartscom","article_published_time":"2021-10-27T03:36:00+00:00","article_modified_time":"2026-02-18T08:25:53+00:00","og_image":[{"width":1500,"height":1000,"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/P0234-code.jpeg","type":"image\/jpeg"}],"author":"CarParts.com Research Team, Richard McCuistian, ASE Certified Master Automobile Technician","twitter_card":"summary_large_image","twitter_creator":"@https:\/\/twitter.com\/CarPartscom","twitter_site":"@carpartscom","twitter_misc":{"Written by":"CarParts.com Research Team","Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/#article","isPartOf":{"@id":"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/"},"author":[{"@type":"Person","$id":"1651","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. Guided by CarParts.com&#039;s thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.","knowsAbout":"Auto Repair, Car Maintenance, Auto Parts, Car Reviews","publishingPrinciples":"\/blog\/our-team\/","url":"https:\/\/www.carparts.com\/blog\/author\/thecpteam\/","sameAs":"https:\/\/www.facebook.com\/carpartscom, https:\/\/twitter.com\/CarPartscom, https:\/\/www.youtube.com\/@CarPartscomOfficial\/, https:\/\/www.instagram.com\/carpartscom\/"},{"@type":"Person","$id":"1651","name":"Richard McCuistian","jobTitle":"ASE Master Automobile Technician","description":"Richard McCuistian has worked for nearly 50 years in the automotive field as a professional technician, an instructor, and a freelance automotive writer for Motor Age, ACtion magazine, Power Stroke Registry, and others. Richard is ASE certified for more than 30 years in 10 categories, including L1 Advanced Engine Performance and Light Vehicle Diesel.","knowsAbout":"Auto Repair, Car Maintenance, Auto Parts, Car Reviews","publishingPrinciples":"\/blog\/our-team\/","url":"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/","sameAs":"https:\/\/www.linkedin.com\/in\/richard-mccuistian-2681891b\/, https:\/\/www.youtube.com\/user\/McCuistian"}],"headline":"P0234 Code: Turbocharger \/ Supercharger \u201cA\u201d Overboost Condition","datePublished":"2021-10-27T03:36:00+00:00","dateModified":"2026-02-18T08:25:53+00:00","mainEntityOfPage":{"@id":"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/"},"wordCount":1060,"commentCount":0,"publisher":{"@id":"https:\/\/www.carparts.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/#primaryimage"},"thumbnailUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/P0234-code.jpeg","keywords":["engine-control-module","map-sensor","supercharger-kit","turbocharger","wastegate-actuator"],"articleSection":["OBD-II Trouble Codes"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/","url":"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/","name":"P0234 Code: Turbocharger \/ Supercharger \u201cA\u201d Overboost Condition - In The Garage with CarParts.com","isPartOf":{"@id":"https:\/\/www.carparts.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/#primaryimage"},"image":{"@id":"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/#primaryimage"},"thumbnailUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/P0234-code.jpeg","datePublished":"2021-10-27T03:36:00+00:00","dateModified":"2026-02-18T08:25:53+00:00","description":"Did your scan tool read a P0234 code? Learn more about its possible triggers, common symptoms, and the correct way to fix the issue. Read more.","inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.carparts.com\/blog\/p0234-code-turbocharger-supercharger-a-overboost-condition\/#primaryimage","url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/P0234-code.jpeg","contentUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/P0234-code.jpeg","width":1500,"height":1000,"caption":"P0234 code"},{"@type":"WebSite","@id":"https:\/\/www.carparts.com\/blog\/#website","url":"https:\/\/www.carparts.com\/blog\/","name":"In The Garage with CarParts.com","description":"","publisher":{"@id":"https:\/\/www.carparts.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.carparts.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.carparts.com\/blog\/#organization","name":"CarParts.com","url":"https:\/\/www.carparts.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.carparts.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2025\/03\/cp-itg-logo.png","contentUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2025\/03\/cp-itg-logo.png","width":2048,"height":398,"caption":"CarParts.com"},"image":{"@id":"https:\/\/www.carparts.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/carpartscom","https:\/\/x.com\/carpartscom","https:\/\/www.instagram.com\/carpartscom","https:\/\/www.youtube.com\/@CarPartscomOfficial\/"]},{"@type":"Person","@id":"https:\/\/www.carparts.com\/blog\/#\/schema\/person\/9f8a8b00e1b9f62f86295617b525e1f0","name":"CarParts.com Research Team","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/04\/thecpteam.jpg485c93be26f8b27acc17cbe4a2313397","url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/04\/thecpteam.jpg","contentUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/04\/thecpteam.jpg","caption":"CarParts.com Research Team"},"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. Guided by CarParts.com's thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.","sameAs":["https:\/\/www.carparts.com\/blog\/author\/thecpteam\/","https:\/\/www.facebook.com\/carpartscom","https:\/\/www.instagram.com\/carpartscom\/","https:\/\/x.com\/https:\/\/twitter.com\/CarPartscom","https:\/\/www.youtube.com\/@CarPartscomOfficial\/"],"url":"https:\/\/www.carparts.com\/blog\/author\/thecpteam\/"}]}},"featured_image_src":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/P0234-code.jpeg","featured_image_src_square":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/P0234-code.jpeg","author_info":{"display_name":"CarParts.com Research Team","author_link":"https:\/\/www.carparts.com\/blog\/author\/thecpteam\/"},"authors":[{"term_id":2607,"user_id":1651,"is_guest":0,"slug":"thecpteam","display_name":"CarParts.com Research Team","avatar_url":{"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/04\/thecpteam.jpg","url2x":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/04\/thecpteam.jpg"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""},{"term_id":2985,"user_id":1646,"is_guest":0,"slug":"richardmccuistian","display_name":"Richard McCuistian, ASE Certified Master Automobile Technician","avatar_url":{"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/richard-mccuistian.png","url2x":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/richard-mccuistian.png"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/19034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/users\/1651"}],"replies":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/comments?post=19034"}],"version-history":[{"count":0,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/19034\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media\/19036"}],"wp:attachment":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media?parent=19034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/categories?post=19034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/tags?post=19034"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/ppma_author?post=19034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}