{"id":70984,"date":"2022-08-11T23:57:22","date_gmt":"2022-08-12T06:57:22","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=70984"},"modified":"2024-08-12T23:22:14","modified_gmt":"2024-08-13T06:22:14","slug":"p0321-code-ignition-distributor-engine-speed-input-circuit-range-performance","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0321-code-ignition-distributor-engine-speed-input-circuit-range-performance\/","title":{"rendered":"P0321 Code: Ignition \/ Distributor Engine Speed Input Circuit Range \/ Performance"},"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-column70984_a47bc3-70 > .kt-inside-inner-col,.kadence-column70984_a47bc3-70 > .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-column70984_a47bc3-70 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column70984_a47bc3-70 > .kt-inside-inner-col{flex-direction:column;}.kadence-column70984_a47bc3-70 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column70984_a47bc3-70 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column70984_a47bc3-70{position:relative;}@media all and (max-width: 1024px){.kadence-column70984_a47bc3-70 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column70984_a47bc3-70 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column70984_a47bc3-70 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-c7767f  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-491c51\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading70984_7d64a5-11, .wp-block-kadence-advancedheading.kt-adv-heading70984_7d64a5-11[data-kb-block=\"kb-adv-heading70984_7d64a5-11\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading70984_7d64a5-11 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading70984_7d64a5-11[data-kb-block=\"kb-adv-heading70984_7d64a5-11\"] 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-heading70984_7d64a5-11 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading70984_7d64a5-11[data-kb-block=\"kb-adv-heading70984_7d64a5-11\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading70984_7d64a5-11 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading70984_7d64a5-11\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The P0321 code stands for &ldquo;Ignition\/Distributor Engine Speed Input Circuit Range\/Performance,&rdquo; which means the powertrain control module (PCM) detected an irregular or no signal from the crankshaft position sensor (CKP).<\/li>\n\n\n\n<li>The common causes of the P0321 code are a defective CKP sensor, issues with the CKP sensor or camshaft position sensor (CMP) circuit, and a faulty CMP sensor.<\/li>\n\n\n\n<li>The engine hard starting or hesitating during acceleration and an illuminated check engine light are some common symptoms of the P0321 code.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>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) monitors the crankshaft&rsquo;s position and the speed of its shaft using the crankshaft position sensor (CKP). If the PCM detects that something is wrong with the signal coming from this sensor, it might log error code P0321.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0321 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) P0321 stands for &ldquo;Ignition\/Distributor Engine Speed Input Circuit Range\/Performance.&rdquo;<\/p>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/crankshaft-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"crankshaft position sensor\">crankshaft position sensor<\/a> monitors the crankshaft&rsquo;s rotational speed and position and sends the data to the PCM. The PCM uses the information to control ignition spark timing and fuel delivery. On older vehicles, the CKP is usually integrated into the distributor.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/mechanic-holding-an-aftermarket-car-crankshaft-position-sensor-1024x682.jpg\" alt=\"mechanic holding an aftermarket car crankshaft position sensor\" class=\"wp-image-70985\" style=\"width:1024px;height:682px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/mechanic-holding-an-aftermarket-car-crankshaft-position-sensor-1024x682.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/mechanic-holding-an-aftermarket-car-crankshaft-position-sensor-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/mechanic-holding-an-aftermarket-car-crankshaft-position-sensor-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/mechanic-holding-an-aftermarket-car-crankshaft-position-sensor-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/mechanic-holding-an-aftermarket-car-crankshaft-position-sensor-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/mechanic-holding-an-aftermarket-car-crankshaft-position-sensor-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/mechanic-holding-an-aftermarket-car-crankshaft-position-sensor.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">The crankshaft position sensor monitors the crankshaft&rsquo;s rotational speed and position and sends the data to the PCM.<\/figcaption><\/figure>\n\n\n\n<p>When the PCM detects irregular or no signal from the CKP, it will set code P0321. This usually occurs when there is an electrical issue in the circuits involved in the process. The conditions that can trigger the code might vary, depending on how the manufacturer wants to identify the fault.<\/p>\n\n\n\n<p><em><strong>Note:<\/strong> The definition of code P0321 might 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 P0321 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.carparts.com\/blog\/the-top-5-bad-crankshaft-position-sensor-symptoms\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Defective CKP sensor\">Defective CKP sensor<\/a><\/li>\n\n\n\n<li>Issues with the CKP sensor or CMP sensor circuit, such as damaged wires or poor connections.<\/li>\n\n\n\n<li>Faulty <a href=\"https:\/\/www.carparts.com\/camshaft-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"CMP sensor\">CMP sensor<\/a><\/li>\n\n\n\n<li>Damaged crankshaft or camshaft sensor tone wheel<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"An issue with the PCM\">An issue with the PCM<\/a>, such as software in need of an update<\/li>\n<\/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 P0321 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The <a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"check engine light is on\">check engine light is on<\/a><\/li>\n\n\n\n<li>Engine goes through a hard start or doesn&rsquo;t start despite cranking up<\/li>\n\n\n\n<li>Engine <a href=\"https:\/\/www.carparts.com\/blog\/car-hesitates-when-accelerating-causes-and-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"hesitates\">hesitates<\/a> or <a href=\"https:\/\/www.carparts.com\/blog\/car-shuts-off-while-driving-causes-what-to-do\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"stalls\">stalls<\/a> during acceleration<\/li>\n\n\n\n<li>Engine dies and refuses to restart<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0321 Code<\/h2>\n\n\n\n<p>The P0321 code is a generic code that various makes and models can log. This does not, however, mean that there is a one-size-fits-all solution to determining its underlying problem.<\/p>\n\n\n\n<p>The steps for troubleshooting this code will differ, depending on the vehicle. Check out this video to get an idea of what the diagnostic process for this code might involve:<\/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=\"2013 Volkswagen Passat 2.5L-Stalling Extended Crank P0321\/P0322 Engine Speed (CKP) Sensor No Signal\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/4tAjyssB0us?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 P0321&nbsp; Code<\/h2>\n\n\n\n<p>The repair procedure for the P0321 code usually varies depending on the vehicle. For example, the repair steps for a P0321 code in a <a href=\"https:\/\/www.carparts.com\/volkswagen\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"VW\">VW<\/a> might differ from the steps that will fix the same code in an <a href=\"https:\/\/www.carparts.com\/audi\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Audi\">Audi<\/a>.<\/p>\n\n\n\n<p>So if you want to fix your vehicle on your own, make sure you consult a 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 manual or an online repair database\">repair manual or an online repair database<\/a>. Alternatively, you can leave the job to a professional.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Get a New Crankshaft Position Sensor<\/h2>\n\n\n\n<p>The worst thing about dealing with a faulty crankshaft position sensor isn&rsquo;t the P0321 code. It&rsquo;s everything else that comes with it. Your engine is likely to stall, hesitate, or even refuse to start, leaving you stranded at the most inconvenient time. Unless you want to deal with all of that, you should replace your CKP sensor as soon as possible. Thankfully, you can get a new CKP sensor at CarParts.com with just a few clicks.<\/p>\n\n\n\n<p>At CarParts.com, you can find a wide selection of high-quality crankshaft position sensors at different price points. We&rsquo;re dedicated to giving you the best deals every time, so we offer a price match guarantee. If you find a competitor advertising the same product at a lower price, let us know and we&rsquo;ll either match or beat that price on the spot.<\/p>\n\n\n\n<p>Don&rsquo;t wait until your faulty CKP sensor prevents your car from starting before replacing it. Check out our catalog of high-quality <a href=\"https:\/\/www.carparts.com\/crankshaft-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"crankshaft position sensors\">crankshaft position sensors<\/a> at CarParts.com and order today!<\/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>Your vehicle&rsquo;s powertrain control module (PCM) monitors the crankshaft&rsquo;s position and the speed of its shaft using the crankshaft position&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0321-code-ignition-distributor-engine-speed-input-circuit-range-performance\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":71009,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"_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":[1464,1623,1323],"ppma_author":[2607,2855],"class_list":{"0":"post-70984","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-camshaft-position-sensor","9":"tag-crankshaft-position-sensor-2","10":"tag-engine-control-module-2","11":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P0321 Code: Ignition \/ Distributor Engine Speed Input Circuit Range \/ Performance - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Did your vehicle log a P0321 code? Learn what it means, its common triggers, the symptoms associated with it, and what to do.\" \/>\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\/p0321-code-ignition-distributor-engine-speed-input-circuit-range-performance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0321 Code: Ignition \/ Distributor Engine Speed Input Circuit Range \/ Performance - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Did your vehicle log a P0321 code? Learn what it means, its common triggers, the symptoms associated with it, and what to do.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0321-code-ignition-distributor-engine-speed-input-circuit-range-performance\/\" \/>\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=\"2022-08-12T06:57:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-13T06:22:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/Crankshaft-Position-Sensor-Featured.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1150\" \/>\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\\\/p0321-code-ignition-distributor-engine-speed-input-circuit-range-performance\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0321-code-ignition-distributor-engine-speed-input-circuit-range-performance\\\/\"},\"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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