{"id":71824,"date":"2022-09-06T01:40:30","date_gmt":"2022-09-06T08:40:30","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=71824"},"modified":"2023-09-04T23:13:50","modified_gmt":"2023-09-05T06:13:50","slug":"p2626-code-o2-sensor-pumping-current-trim-circuit-open-bank-1-sensor-1","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2626-code-o2-sensor-pumping-current-trim-circuit-open-bank-1-sensor-1\/","title":{"rendered":"P2626 Code: O2 Sensor Pumping Current Trim Circuit \/ Open Bank 1 Sensor 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_0ea678-1e > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_0ea678-1e > .kt-inside-inner-col,.kadence-column_0ea678-1e > .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_0ea678-1e > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_0ea678-1e > .kt-inside-inner-col{flex-direction:column;}.kadence-column_0ea678-1e > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_0ea678-1e > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_0ea678-1e{position:relative;}@media all and (max-width: 1024px){.kadence-column_0ea678-1e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_0ea678-1e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_0ea678-1e qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-f24508  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-02a896\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_838b16-ec, .wp-block-kadence-advancedheading.kt-adv-heading_838b16-ec[data-kb-block=\"kb-adv-heading_838b16-ec\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_838b16-ec mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_838b16-ec[data-kb-block=\"kb-adv-heading_838b16-ec\"] 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_838b16-ec img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_838b16-ec[data-kb-block=\"kb-adv-heading_838b16-ec\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_838b16-ec summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_838b16-ec\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The P2626 code is defined as &ldquo;O2 Sensor Pumping Current Trim\/Open Bank 1 Sensor 1.&rdquo; This code is triggered when the powertrain control module (PCM) receives information from the oxygen sensor that isn&rsquo;t within the accepted parameters.<\/li><li>The cause of a P2626 code is typically a faulty oxygen sensor, but it can also be wiring issues or a failed PCM.<\/li><li>A car with a logged P2626 code can show symptoms like engine performance problems, such as poor acceleration and decreased fuel economy. Yourcheck engine light will also illuminate.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Is your vehicle&rsquo;s engine experiencing some issues? Use a scan tool to help diagnose the problem, so you can keep your vehicle running in tip-top shape. If the scan tool says that the P2626 code has been stored, you should know its definition and common causes and symptoms. Luckily, this article will tell you everything you need to know about the P2626 code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2626 Code Mean?<\/h2>\n\n\n\n<p>The P2626 code is defined as O2 Sensor Pumping Current Trim\/Open Bank 1 Sensor 1. This code is triggered when the powertrain control module (PCM) receives information from the <a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"oxygen sensor\">oxygen sensor<\/a> that isn&rsquo;t within the accepted parameters. The P2626 code is meant to indicate there&rsquo;s something wrong with oxygen sensor #1 (or its circuit) in bank #1.<\/p>\n\n\n\n<p>Oxygen sensors are designed to monitor how much oxygen is present in the exhaust gasses. A problem with oxygen sensors typically leads to engine performance problems because the PCM won&rsquo;t be able to determine the <a href=\"https:\/\/www.carparts.com\/blog\/what-is-a-good-air-fuel-ratio-chart-included\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"appropriate air-fuel ratio\">appropriate air-fuel ratio<\/a>.<\/p>\n\n\n\n<p><em><strong>Note: <\/strong>The definition of the P2626 code can 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<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\/o2-sensor-and-exhaust-manifold-1024x683.jpg\" alt=\"oxygen sensor and exhaust manifold\" class=\"wp-image-71847\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/o2-sensor-and-exhaust-manifold-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/o2-sensor-and-exhaust-manifold-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/o2-sensor-and-exhaust-manifold-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/o2-sensor-and-exhaust-manifold-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/o2-sensor-and-exhaust-manifold-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/o2-sensor-and-exhaust-manifold.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The P2626 code is triggered when the PCM receives information from the oxygen sensor that isn&rsquo;t within the accepted parameters.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Causes of the P2626 Code?<\/h2>\n\n\n\n<p>There are several problems that can cause the P2626 code to be stored. These include:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.carparts.com\/blog\/bad-o2-sensor-symptoms-causes-replacement-cost\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Failed oxygen sensor\">Failed oxygen sensor<\/a><\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-wiring\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Wiring\">Wiring<\/a> issues<\/li><li>PCM failure<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P2626 Code?<\/h2>\n\n\n\n<p>The issues that trigger the P2626 code can cause problems that might show the following symptoms:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Engine performance problems, such as rough running and <a href=\"https:\/\/www.carparts.com\/blog\/my-car-wont-accelerate-properly-when-i-push-the-gas-causes\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"poor acceleration\">poor acceleration<\/a><\/li><li>Decreased fuel efficiency<\/li><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><\/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\">How to Diagnose the P2626 Code<\/h2>\n\n\n\n<p>Was the P2626 triggered in your vehicle? You&rsquo;ll need to identify the cause of this <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"diagnostic trouble code (DTC)\">diagnostic trouble code (DTC)<\/a> before you make any repairs. You shouldn&rsquo;t automatically assume that the P2626 code triggered in your vehicle is caused by the common causes associated with the P2626 code.<\/p>\n\n\n\n<p>Diagnosing DTCs typically involves doing visual inspections and perhaps even tests on some components. This task can require technical knowledge and specialized tools. If you aren&rsquo;t confident doing this, then you should leave it to a professional mechanic.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P2626 Code<\/h2>\n\n\n\n<p>Unfortunately, there isn&rsquo;t a magic bullet that will fix the problems that trigger an OBD-II code. Repair procedures vary greatly between vehicle models and vehicle manufacturers because their vehicles have varying designs.<\/p>\n\n\n\n<p>Your course of action will depend on the diagnosis. That&rsquo;s why getting an accurate diagnosis is important. You might end up replacing a functional oxygen sensor if you skip a proper diagnosis. Once you&rsquo;ve found the root cause, you can start looking at reputable <a href=\"https:\/\/www.carparts.com\/blog\/best-online-resources-to-help-you-learn-how-to-fix-cars\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"internet repair resources and how-to guides\">internet repair resources and how-to guides<\/a> for a detailed course of action.<\/p>\n\n\n\n<p>If you don&rsquo;t have much experience diagnosing or fixing error codes, you should consult a trusted mechanic.<\/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>Is your vehicle&rsquo;s engine experiencing some issues? Use a scan tool to help diagnose the problem, so you can keep&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2626-code-o2-sensor-pumping-current-trim-circuit-open-bank-1-sensor-1\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":71846,"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":[1190],"ppma_author":[2607,2855],"class_list":{"0":"post-71824","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-oxygen-sensor-2","9":"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>P2626 Code: O2 Sensor Pumping Current Trim Circuit \/ Open Bank 1 Sensor 1 - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Did your vehicle log a P2626 code? 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Learn more about its definition and common causes and symptoms in this article.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p2626-code-o2-sensor-pumping-current-trim-circuit-open-bank-1-sensor-1\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-06T08:40:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-05T06:13:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/obd-diagnostic-tools.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1036\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2626-code-o2-sensor-pumping-current-trim-circuit-open-bank-1-sensor-1\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2626-code-o2-sensor-pumping-current-trim-circuit-open-bank-1-sensor-1\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. 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