{"id":67692,"date":"2022-03-22T20:12:39","date_gmt":"2022-03-23T03:12:39","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=67692"},"modified":"2023-09-04T20:33:48","modified_gmt":"2023-09-05T03:33:48","slug":"p0672-code-cylinder-2-glow-plug-circuit","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0672-code-cylinder-2-glow-plug-circuit\/","title":{"rendered":"P0672 Code: Cylinder 2 Glow Plug Circuit"},"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_518e10-de > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_518e10-de > .kt-inside-inner-col,.kadence-column_518e10-de > .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_518e10-de > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_518e10-de > .kt-inside-inner-col{flex-direction:column;}.kadence-column_518e10-de > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_518e10-de > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_518e10-de{position:relative;}@media all and (max-width: 1024px){.kadence-column_518e10-de > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_518e10-de > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_518e10-de qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-4fcaa9  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-a4f9e6\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_abf76e-b9, .wp-block-kadence-advancedheading.kt-adv-heading_abf76e-b9[data-kb-block=\"kb-adv-heading_abf76e-b9\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_abf76e-b9 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_abf76e-b9[data-kb-block=\"kb-adv-heading_abf76e-b9\"] 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_abf76e-b9 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_abf76e-b9[data-kb-block=\"kb-adv-heading_abf76e-b9\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_abf76e-b9 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_abf76e-b9\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>A malfunction in the glow plug circuit of cylinder #2 will cause the PCM to log a P0672 code.<\/li><li>Leaving this code unresolved might prevent your vehicle from starting or produce less power under cold weather conditions.<\/li><li>Glow plugs are usually found in diesel engines. They preheat the combustion chamber before the engine starts.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>If you have trouble starting your vehicle&rsquo;s engine, then using an OBD-II scanner can help you identify the issue. If you see the P0672 code, you can read this article to learn more about its causes, symptoms, and definition.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0672 Code Mean?<\/h2>\n\n\n\n<p>Diagnostic trouble code (DTC) P0672 code means &ldquo;Cylinder 2 Glow Plug Circuit.&rdquo; The code is typically triggered when the powertrain control module (PCM) detects a malfunction in&nbsp;the glow plug circuit. This code corresponds to the glow plug found in cylinder two.<\/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\/03\/automotive-glow-plugs-1024x683.jpg\" alt=\"automotive glow plugs\" class=\"wp-image-67715\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-glow-plugs-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-glow-plugs-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-glow-plugs-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-glow-plugs-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-glow-plugs-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-glow-plugs.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The P0672 code is typically triggered when the PCM detects a malfunction in&nbsp;the glow plug circuit.<\/figcaption><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/glow-plug\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Glow plugs\">Glow plugs<\/a> are found in diesel engines and are used to preheat the combustion chamber before the engine is started.<\/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><em><strong>Note:<\/strong> The definition of the P0672 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<h2 class=\"wp-block-heading\">What are the Common Causes of the P0672 Code?&nbsp;<\/h2>\n\n\n\n<p>Several issues can cause the P0672 code to trigger. These include the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.carparts.com\/blog\/the-top-4-symptoms-of-bad-glow-plugs\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Faulty cylinder #2 glow plug\">Faulty cylinder #2 glow plug<\/a><\/li><li>Circuit problems, such as damaged wires or a poor connection<\/li><li>Faulty glow plug control module<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driving-in-cold-weather-1024x685.jpg\" alt=\"driving in cold weather\" class=\"wp-image-67716\" width=\"1024\" height=\"685\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driving-in-cold-weather-1024x685.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driving-in-cold-weather-300x201.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driving-in-cold-weather-768x514.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driving-in-cold-weather-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driving-in-cold-weather-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/driving-in-cold-weather.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Your vehicle can exhibit difficulty starting in cold weather if it logs the P0672 code.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0672 Code?<\/h2>\n\n\n\n<p>Here are the common symptoms of the P0672 code:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.carparts.com\/blog\/my-car-wont-start-what-should-i-do\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"The engine won&rsquo;t start\">The engine won&rsquo;t start<\/a><\/li><li>Difficulty starting in cold weather<\/li><li><a href=\"\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Illuminated check engine light\">Illuminated check engine light<\/a><\/li><li>Engine producing less power while it&rsquo;s cold<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0672 Code<\/h2>\n\n\n\n<p>While the P0672 code may indicate that the issue is with the glow plug, there is a chance that it&rsquo;s not the culprit. You need to properly identify the cause to be able to fix the DTC. This means you might need to visually inspect the glow plug and its wiring harness, which can be difficult if you&rsquo;re not familiar with your engine&rsquo;s layout. Doing this job properly might require special tools and knowledge. If you&rsquo;re not familiar with doing DIY repairs, then we recommend consulting a trusted mechanic to diagnose the issue properly.<\/p>\n\n\n\n<p>The video below might give you a better idea of the diagnostic process:<\/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=\"Diagnose Glow Plug 6.6 Duramax-Angry Mechanic P0671,P0672,P0673,P0674,P0675 P0676,P0677,P0678\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/XZFAxRjxgHI?start=2&amp;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P0672 Code<\/h2>\n\n\n\n<p>There isn&rsquo;t a fixed set of steps to fix <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"OBD-II trouble codes\">OBD-II trouble codes<\/a>. Repair procedures can greatly vary depending on the vehicle model and the diagnosis. If you don&rsquo;t have much experience troubleshooting DTCs, then we recommend leaving the task to a trusted professional.<\/p>\n\n\n\n<p>However, if you think you&rsquo;re up to the task, then the first step in properly fixing the P0672 code is getting an accurate diagnosis. After identifying the cause of the P0672 code, then you can start consulting <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=\"online repair resources and guides\">online repair resources and guides<\/a> for possible fixes. Chilton repair manuals can be useful. However, an ALLDATA DIY subscription might be better, as it provides detailed factory repair information for drivers who want to do the repairs themselves.<\/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>If you have trouble starting your vehicle&rsquo;s engine, then using an OBD-II scanner can help you identify the issue. If&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0672-code-cylinder-2-glow-plug-circuit\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":67714,"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":[2714],"ppma_author":[2607,2855],"class_list":{"0":"post-67692","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-glow-plug","9":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P0672 Code: Cylinder 2 Glow Plug Circuit - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Let this article help you learn more about the definition, common causes, and common symptoms of the P0672 code. 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