{"id":77271,"date":"2022-11-04T02:56:44","date_gmt":"2022-11-04T09:56:44","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=77271"},"modified":"2023-09-15T01:06:00","modified_gmt":"2023-09-15T08:06:00","slug":"p3425-code-cylinder-4-deactivation-intake-valve-control-circuit-open","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p3425-code-cylinder-4-deactivation-intake-valve-control-circuit-open\/","title":{"rendered":"P3425 Code: Cylinder 4 Deactivation\/Intake Valve Control Circuit\/Open"},"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_c47ad0-b0 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_c47ad0-b0 > .kt-inside-inner-col,.kadence-column_c47ad0-b0 > .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_c47ad0-b0 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_c47ad0-b0 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_c47ad0-b0 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_c47ad0-b0 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_c47ad0-b0{position:relative;}@media all and (max-width: 1024px){.kadence-column_c47ad0-b0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_c47ad0-b0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_c47ad0-b0 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-447ad3  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-d604e6\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_7af543-7a, .wp-block-kadence-advancedheading.kt-adv-heading_7af543-7a[data-kb-block=\"kb-adv-heading_7af543-7a\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_7af543-7a mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_7af543-7a[data-kb-block=\"kb-adv-heading_7af543-7a\"] 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_7af543-7a img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_7af543-7a[data-kb-block=\"kb-adv-heading_7af543-7a\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_7af543-7a summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_7af543-7a\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>DTC P3425 stands for &ldquo;Cylinder 4 Deactivation\/Intake Valve Control Circuit\/Open.&rdquo;<\/li><li>It is logged when the PCM detects an incorrect voltage signal from the intake deactivating solenoid circuit.<\/li><li>Code P3425 is commonly caused by low engine oil levels, low engine oil pressure, or a faulty cylinder deactivation solenoid.<\/li><li>Common symptoms include an activated check engine light, engine misfires, and increased fuel consumption.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Some vehicles equipped with large engines can disable some of their cylinders in low load situations to save fuel. The powertrain control module (PCM) enables cylinder deactivation by engaging the <a href=\"https:\/\/www.carparts.com\/cylinder-deactivation-solenoid?&amp;vehicle%5Bmodel%5D=Fusion&amp;vehicle%5Bmake%5D=Ford&amp;vehicle%5Byear%5D=2018\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"deactivating solenoids\">deactivating solenoids<\/a>, which causes the corresponding lifters to collapse and&nbsp; prevents the intake and exhaust valves of the deactivated cylinders from opening. If the PCM detects a problem with the deactivating solenoids it can trigger the P3525 code or other related trouble codes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P3425 Code Mean?<\/h2>\n\n\n\n<p>The P3425 code is defined as Cylinder 4 Deactivation\/Intake Valve Control Circuit\/Open. The PCM stores this code when it detects an incorrect voltage signal from the intake deactivating solenoid circuit. This code corresponds to the circuit that corresponds to cylinder #4.<\/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\/11\/automotive-cylinder-deactivation-solenoid-1024x683.jpg\" alt=\"automotive cylinder deactivation solenoid image\" class=\"wp-image-77319\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/automotive-cylinder-deactivation-solenoid-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/automotive-cylinder-deactivation-solenoid-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/automotive-cylinder-deactivation-solenoid-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/automotive-cylinder-deactivation-solenoid-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/automotive-cylinder-deactivation-solenoid-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/automotive-cylinder-deactivation-solenoid-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/automotive-cylinder-deactivation-solenoid.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Once the PCM detects a problem with the deactivating solenoids, it will trigger the P3525 code.<\/figcaption><\/figure>\n\n\n\n<p><strong>Note: <\/strong><em>The definition of the P3425 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 P3425 Code?<\/h2>\n\n\n\n<p>The issues that trigger a P3425 code can be caused by the following problems:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Faulty cylinder deactivation solenoid<\/li><li>Low engine oil level<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/low-oil-pressure-symptoms-and-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Low engine oil pressure\">Low engine oil pressure<\/a><\/li><li>Blocked oil passages<\/li><li>Damaged <a href=\"https:\/\/www.carparts.com\/blog\/car-wiring\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"wiring\">wiring<\/a><\/li><li>Faulty PCM<\/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\">What are the Common Symptoms of the P3425 Code?<\/h2>\n\n\n\n<p>Most of the symptoms of the P3425 code are transmission-related. These include the following:<\/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=\"Illuminated check engine light\">Illuminated check engine light<\/a><\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/cylinder-misfire-causes-plus-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Engine misfires\">Engine misfires<\/a><\/li><li>Increased fuel consumption<\/li><li>Poor engine performance<\/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\/11\/checking-car-engine-1024x681.jpg\" alt=\"mechanic checking car engine\" class=\"wp-image-77326\" width=\"1024\" height=\"681\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/checking-car-engine-1024x681.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/checking-car-engine-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/checking-car-engine-768x511.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/checking-car-engine-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/checking-car-engine-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/checking-car-engine.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Engine misfire is one of the common symptoms of the P3425 code.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P3425 Code<\/h2>\n\n\n\n<p>While the P3425 code might be caused by an issue with a faulty cylinder deactivation solenoid, remember that this isn&rsquo;t always the case. You still need to determine the main cause of this diagnostic trouble code (DTC) before you conduct any repairs. Otherwise, you might end up fixing a completely functional component.<\/p>\n\n\n\n<p>You might need to do a visual inspection of the engine&rsquo;s oil level and cylinder deactivation control circuit to find the problem. This job might require the use of specialized tools and knowledge. If you find this task daunting, don&rsquo;t hesitate to reach out to a trusted mechanic.<\/p>\n\n\n\n<p>Interested in diagnosing the problem on your own? Check out the video below to learn about 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=\"DTC P3425 Cyl. # 4 Deactivation \/ Intake Valve Control Circuit\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/6uOnKSU1vM0?start=1457&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 P3425 Code<\/h2>\n\n\n\n<p>If you&rsquo;re looking to fix the problems associated with the P3425 code, know that there isn&rsquo;t a set procedure that will cure the issue. There are many ways to fix the underlying issues of OBD-II codes because they vary depending on the vehicle model, design, and layout. Sometimes, this trouble code can also trigger several related trouble codes. When this happens, you might need to fix problems in the appropriate order as dictated by the manufacturer.<\/p>\n\n\n\n<p>To learn about possible solutions, consult <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=\"reputable internet repair resources and how-to guides\">reputable internet repair resources and how-to guides<\/a>. When your scan tool shows diagnostic trouble codes, don&rsquo;t forget to <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"consult your vehicle&rsquo;s repair manual\">consult your vehicle&rsquo;s repair manual<\/a>.<\/p>\n\n\n\n<p>It&rsquo;s best to consult a professional mechanic if you don&rsquo;t have much experience diagnosing or correcting <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"error codes\">error codes<\/a>.<\/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>Some vehicles equipped with large engines can disable some of their cylinders in low load situations to save fuel. The&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p3425-code-cylinder-4-deactivation-intake-valve-control-circuit-open\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":77309,"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":[3589],"ppma_author":[2607,2855],"class_list":{"0":"post-77271","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-cylinder-deactivation-solenoid","9":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P3425 Code: Cylinder 4 Deactivation\/Intake Valve Control Circuit\/Open - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Find out the definition of the P3425 code, its possible causes, and the common symptoms associated with it.\" \/>\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\/p3425-code-cylinder-4-deactivation-intake-valve-control-circuit-open\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P3425 Code: Cylinder 4 Deactivation\/Intake Valve Control Circuit\/Open - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Find out the definition of the P3425 code, its possible causes, and the common symptoms associated with it.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p3425-code-cylinder-4-deactivation-intake-valve-control-circuit-open\/\" \/>\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=\"2022-11-04T09:56:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-15T08:06:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/obd-scan-tool.jpg\" \/>\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=\"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\\\/p3425-code-cylinder-4-deactivation-intake-valve-control-circuit-open\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p3425-code-cylinder-4-deactivation-intake-valve-control-circuit-open\\\/\"},\"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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