{"id":16237,"date":"2021-06-29T20:00:00","date_gmt":"2021-06-30T03:00:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=16237"},"modified":"2024-06-08T08:53:43","modified_gmt":"2024-06-08T15:53:43","slug":"p0355-code-ignition-coil-e-primary-secondary-circuit","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0355-code-ignition-coil-e-primary-secondary-circuit\/","title":{"rendered":"P0355 Code: Ignition Coil \u201cE\u201d Primary\/Secondary 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\"> 7<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_792082-a0 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_792082-a0 > .kt-inside-inner-col,.kadence-column_792082-a0 > .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_792082-a0 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_792082-a0 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_792082-a0 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_792082-a0 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_792082-a0{position:relative;}@media all and (max-width: 1024px){.kadence-column_792082-a0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_792082-a0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_792082-a0 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-da02ba  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-ba93a9\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_7b2265-09, .wp-block-kadence-advancedheading.kt-adv-heading_7b2265-09[data-kb-block=\"kb-adv-heading_7b2265-09\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_7b2265-09 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_7b2265-09[data-kb-block=\"kb-adv-heading_7b2265-09\"] 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_7b2265-09 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_7b2265-09[data-kb-block=\"kb-adv-heading_7b2265-09\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_7b2265-09 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_7b2265-09\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The P0355 code stands for &ldquo;Ignition Coil &lsquo;E&rsquo; Primary\/Secondary Circuit.&rdquo; It&rsquo;s logged when the PCM detects a problem in the cylinder #5 ignition coil or its circuit.<\/li><li>If a P0355 code is set, your vehicle can exhibit the following symptoms: illuminated or flashing check engine light; rough idling engine; misfiring; and poor acceleration.<\/li><li>In most cases, the PCM will also turn off the fuel injector that&rsquo;s associated with the malfunctioning ignition coil circuit to mitigate the issue.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>There are three things needed to start the combustion process in a gas-powered engine: an air\/fuel mixture, compression, and an ignition source. The air intake system and the fuel delivery system are responsible for the air and the fuel, respectively. As for the ignition source, a vehicle relies on <a href=\"https:\/\/www.carparts.com\/ignition-coil\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"ignition coils\">ignition coils<\/a> and spark plugs to ignite the fuel and power the engine.<\/p>\n\n\n\n<p>The P0355 code indicates that there is an issue with one of your ignition coils. What causes this trouble code and how should you resolve it? This short but informative guide will help you answer these questions and more.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0355 Code Mean?<\/h2>\n\n\n\n<p>Diagnostic trouble code (DTC) P0355 stands for &ldquo;Ignition Coil &ldquo;E&rdquo; Primary\/Secondary Circuit.&rdquo; It indicates that the <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> (PCM) detected a problem in either the primary (computer side) or the secondary (spark plug side) #5 ignition coil &ldquo;E&rdquo; circuit.<\/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\/2021\/06\/four-ignition-coils-installed-1024x684.jpg\" alt=\"four ignition coils installed\" class=\"wp-image-40711\" width=\"1024\" height=\"684\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/four-ignition-coils-installed-1024x684.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/four-ignition-coils-installed-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/four-ignition-coils-installed-768x513.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/four-ignition-coils-installed-1536x1025.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/four-ignition-coils-installed-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/four-ignition-coils-installed-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/four-ignition-coils-installed.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Ignition coils create the high voltage the spark plugs need to ignite the air-fuel mixture inside the combustion chamber.<\/figcaption><\/figure>\n\n\n\n<p>To learn more about how the primary and secondary windings of ignition coils work, click <a href=\"https:\/\/www.carparts.com\/blog\/p0351-code-ignition-coil-a-primarysecondary-circuit\/#A_Closer_Look_at_How_the_Primary_and_Secondary_Windings_of_Ignition_Coils_Work\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"here\">here<\/a>.<\/p>\n\n\n\n<p>Ignition coils create the high voltage the spark plugs need to ignite the air-fuel mixture inside the combustion chamber. They are crucial in preventing stumbles and misfires.<\/p>\n\n\n\n<p>Most vehicles nowadays use the coil on plug (COP) ignition system, which removes the need for <a href=\"https:\/\/www.carparts.com\/spark-plug-wire\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"spark plug wires\">spark plug wires<\/a> and <a href=\"https:\/\/www.carparts.com\/distributor-cap\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"distributor caps\">distributor caps<\/a>. In this system, the ignition coil goes right above the spark plug, allowing the PCM to control the ignition circuit on each cylinder directly.<\/p>\n\n\n\n<p>The PCM will set the P0355 code when it does not receive a proper pulse signal from the ignition coil. The PCM may also turn off the <a href=\"https:\/\/www.carparts.com\/fuel-injector\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fuel injector\">fuel injector<\/a> to the cylinder with the malfunctioning coil circuit to mitigate the issue. It varies depending on the vehicle.<\/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>The short version is that the P0355 code appears when the powertrain control module (ECM\/PCM), perceives a problem with the cylinder #5 ignition coil or its circuit.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>The P0355 code appears when the powertrain control module (ECM\/PCM), perceives a problem with the cylinder #5 ignition coil or its circuit.<\/p><cite>&ndash;<a href=\"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Richard McCuistian, ASE Certified Master Automobile Technician\">Richard McCuistian, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<p>You may also watch this video to understand how ignition coil works:<\/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 Ignition Coils Work | CarParts.com Parts Explained\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/87d2bGdO0IU?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<h3 class=\"wp-block-heading\">P0355 on Some Ford Vehicles<\/h3>\n\n\n\n<p>Each ignition primary circuit is continuously monitored. The test fails when the PCM does not receive a valid ignition diagnostic monitor (IDM) pulse signal from the ignition module (integrated in the PCM).<\/p>\n\n\n\n<p>Code P0355 may appear on some <a href=\"https:\/\/www.carparts.com\/ford\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Ford\">Ford<\/a> vehicles. On a <a href=\"https:\/\/www.carparts.com\/vehicle\/2008\/Ford\/F-150\/XL\/6_Cyl_4-dot-2L\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"2008 Ford F-150 XL 4.2L V6\">2008 Ford F-150 XL 4.2L V6<\/a>, for example, this DTC can appear because of the following conditions:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Open or short in the ignition START\/RUN circuit<\/li><li>Open coil driver circuit<\/li><li>Coil driver circuit short to ground<\/li><li>Damaged coil<\/li><li>Coil driver circuit short to VPWR<\/li><\/ul>\n\n\n\n<p>For this specific vehicle, it is important to note that DTC P035x only sets for a coil primary circuit failure. A secondary ignition coil or spark plug failure does not set DTC P035x.<\/p>\n\n\n\n<p><em><strong>Note:<\/strong> The definition of code P0355 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 P0355 Code?<\/h2>\n\n\n\n<p>There are a handful of reasons the engine code P0355 may register in the vehicle&rsquo;s memory. Take note that most <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"OBD-II codes\">OBD-II codes<\/a> have multiple possible causes. Below are some of the most likely causes of this error code.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Defective cylinder #5 ignition coil<\/li><li>Ignition coil circuit issues (e.g., damaged wiring, loose connections, etc.)<\/li><li>PCM issues (e.g., outdated software)<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0355 Code?<\/h2>\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\/2020\/09\/mechanic-holding-ignition-coil-1-1024x683.jpeg\" alt=\"mechanic holding ignition coil\" class=\"wp-image-16245\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/mechanic-holding-ignition-coil-1-1024x683.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/mechanic-holding-ignition-coil-1-300x200.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/mechanic-holding-ignition-coil-1-768x512.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/mechanic-holding-ignition-coil-1-600x400.jpeg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/mechanic-holding-ignition-coil-1-150x100.jpeg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/mechanic-holding-ignition-coil-1.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Should you encounter trouble code P0355, it&rsquo;s best to address the issue right away to prevent damage to your engine.<\/figcaption><\/figure>\n\n\n\n<p>Problems with the ignition coils and ignition coil circuits typically cause problems with engine performance and drivability. Should you encounter this trouble code, it&rsquo;s best to address the issue right away to prevent damage to your engine. Here are some of the most common issues associated with Code P0355 Ignition Coil E:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Check Engine Light is on or flashing\">Check Engine Light is on or flashing<\/a><\/li><li>Engine idles rough<\/li><li>Engine misfires may be present or intermittent&nbsp;<\/li><li>Lack of acceleration<\/li><li>The engine may not exhibit noticeable symptoms (rare)<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0355 Code<\/h2>\n\n\n\n<p>To resolve the code P0355, you must determine its exact cause to reach an effective, long-term fix. Diagnosing OBD-II codes may be intimidating, but it is definitely possible.<\/p>\n\n\n\n<p>Good thing there are a lot of repair resources nowadays, especially for DIYers. Aside from repair manuals and advice from your mechanic, there are also guides and video resources on the internet. Here is a helpful video resource you can use to learn more about the P0355 code:<\/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=\"Ford Ignition Coil Primary Codes P0351-P0360 Diagnostic Walkthrough\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/ho3Kyps2i34?start=121&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 P0355 Code<\/h2>\n\n\n\n<p>The exact steps to fixing the P0355 code will vary on a case-by-case basis. For example, ignition coils sit on top of the spark plugs. In comparison, coil packs require space for their bulk, so you can find them mounted on the engine, fender, or firewall. If you&rsquo;re not sure about something,&nbsp;<a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"consult your owner&rsquo;s manual\">consult your owner&rsquo;s manual<\/a>&nbsp;or official repair manual.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Spark Plugs and Wiring<\/h3>\n\n\n\n<p>Bad spark plugs are a common reason for the P0355 code. They&rsquo;re the first thing you should inspect.<\/p>\n\n\n\n<p>Check the spark plugs for any issues. Their metal parts might have developed corrosion from exposure to leaded gasoline or other environmental factors. A plug might have also prematurely worn out from heavy use.<\/p>\n\n\n\n<p>Aside from the spark plugs, you must also check the wiring harness that connects the plugs to the distributor or ignition coils. These wires are also susceptible to corrosion. They can also short, melt from the heat, or fray until they break. Damaged wires will prevent the spark plugs from operating properly.<\/p>\n\n\n\n<p>If one of the spark plugs or its wires have failed, replace the bad part.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ignition Coil Assembly E<\/h3>\n\n\n\n<p>Many vehicles have an ignition system with multiple direct coils. You must identify the specific coil that has developed an issue and replace the faulty part.<\/p>\n\n\n\n<p>P0355 identifies transfer coil assembly E as the problematic part. You can test it by transferring the assembly to a good engine cylinder. Clear the trouble code and take the vehicle for a brief drive. Then check it with the scan tool again.<\/p>\n\n\n\n<p>If the trouble code reappears on the previously operational cylinder that received ignition coil assembly E, the issue lies with the latter. Replace the bad ignition coil.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ignition Coil Wiring<\/h3>\n\n\n\n<p>Additionally, inspect the wiring that connects the ignition coil pack to the distributor. Like the spark plugs and ignition coils, the wires can corrode, short, burn out, or fray. Bad wires prevent current from reaching the coils. If you find issues with the coil pack&rsquo;s wiring, you must repair or replace the affected wires.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vacuum Leaks<\/h3>\n\n\n\n<p>Vacuum leaks are one of the most common triggers of the P0355 code. When air leaks from the engine, it reduces the available oxygen and pressure. If you&rsquo;re not careful, you might misdiagnose a vacuum leak as an issue with the ignition coil or spark plug.<\/p>\n\n\n\n<p>Check the vacuum line, intake manifold gasket, and other parts for physical damage that lets air out. Some leaks can be repaired, but more severe cracks will require you to replace the bad part.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Powertrain Control Module<\/h3>\n\n\n\n<p>If the ignition coil, spark plugs, and cylinders are fine, the problem might lie with the PCM that controls the ignition process. The control module usually self-diagnoses and will set the related trouble code. There are occasions when the PCM fails to log a problem code, so you&rsquo;ll have to test it.<\/p>\n\n\n\n<p>After identifying, resolving, and repairing the issue that triggered the P0355 code, run a test again. If the <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"trouble code\">trouble code<\/a> doesn&rsquo;t return, consider the diagnosis complete.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get New Ignition Coils for Your Car<\/h2>\n\n\n\n<p>Don&rsquo;t expect great performance from your daily driver when it has logged a P0355 code. If you&rsquo;ve determined that a bad <a href=\"https:\/\/www.carparts.com\/ignition-coil\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"ignition coil\">ignition coil<\/a> is the culprit, don&rsquo;t put off getting a top-notch replacement from <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a>.<\/p>\n\n\n\n<p>Find tailor-fit products in a few minutes and check out securely with a couple of clicks. Enter your vehicle&rsquo;s year, make, and model into our vehicle selector to narrow the catalog to compatible ignition coils for your ride. We offer the best parts on our website, so you&rsquo;re sure to get a top-notch ignition coil replacement tested by industry professionals.<\/p>\n\n\n\n<p>In addition, our fast shipping services and strategically located warehouses ensure you can get your new ignition coil delivered to your doorstep in as fast as two business days. Our ignition coils also come with a low-price guarantee, so you don&rsquo;t need to break the bank to fix your ride.<\/p>\n\n\n\n<p>Don&rsquo;t miss out on the best deals on the market, and shop for new ignition coils at CarParts.com today!<\/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\/ignition-coil\" target=\"_blank\" aria-label=\"ignition coil\" 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\/repf504620_1\">\n<strong>Ignition Coil<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/spark-plug-wire\" target=\"_blank\" aria-label=\"spark plug wire\" 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\/rd50480001_1\">\n<strong>Spark Plug Wire<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/distributor-cap\" target=\"_blank\" aria-label=\"distributor cap\" 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\/arbm314102_1\">\n<strong>Distributor Cap<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/fuel-injector\" target=\"_blank\" aria-label=\"fuel injector\" 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\/repp314301_1\">\n<strong>Fuel Injector<\/strong>\n<\/a>\n\n<!-- end of editable content -->\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\"> 7<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>There are three things needed to start the combustion process in a gas-powered engine: an air\/fuel mixture, compression, and an&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0355-code-ignition-coil-e-primary-secondary-circuit\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":16242,"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":[1169],"ppma_author":[2607,2985],"class_list":{"0":"post-16237","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-ignition-coil-2","9":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P0355 Code: Ignition Coil \u201cE\u201d Primary\/Secondary Circuit - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Misfires and a poor-performing engine are signs of the P0035 code. Find out what causes this code and more with this informative guide.\" \/>\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\/p0355-code-ignition-coil-e-primary-secondary-circuit\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0355 Code: Ignition Coil \u201cE\u201d Primary\/Secondary Circuit - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Misfires and a poor-performing engine are signs of the P0035 code. 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