{"id":71378,"date":"2022-09-01T03:04:45","date_gmt":"2022-09-01T10:04:45","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=71378"},"modified":"2023-08-17T15:35:49","modified_gmt":"2023-08-17T22:35:49","slug":"p0498-code-evaporative-emission-system-vent-valve-control-circuit-low","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0498-code-evaporative-emission-system-vent-valve-control-circuit-low\/","title":{"rendered":"P0498 Code: Evaporative Emission System Vent Valve Control Circuit Low"},"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\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_55ef06-68 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_55ef06-68 > .kt-inside-inner-col,.kadence-column_55ef06-68 > .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_55ef06-68 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_55ef06-68 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_55ef06-68 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_55ef06-68 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_55ef06-68{position:relative;}@media all and (max-width: 1024px){.kadence-column_55ef06-68 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_55ef06-68 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_55ef06-68 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-b10879  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-23d85c\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_94625f-58, .wp-block-kadence-advancedheading.kt-adv-heading_94625f-58[data-kb-block=\"kb-adv-heading_94625f-58\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_94625f-58 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_94625f-58[data-kb-block=\"kb-adv-heading_94625f-58\"] 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_94625f-58 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_94625f-58[data-kb-block=\"kb-adv-heading_94625f-58\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_94625f-58 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_94625f-58\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The P0498 code stands for &ldquo;Evaporative Emission System Vent Valve Control Circuit Low.&rdquo; It&rsquo;s logged when the PCM detects that the evaporative emission system vent valve is venting when it shouldn&rsquo;t.<\/li><li>A faulty vent valve, wiring issues, or a blown fuse can cause this trouble code to appear.<\/li><li>If your vehicle logs this code, you might notice symptoms like an illuminated check engine light, rough idling, and stalling.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/blog\/evaporative-emission-control-evap-system-101-the-basics\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"evaporative emission (EVAP) control system\">evaporative emission (EVAP) control system<\/a> traps volatile organic compounds (VOCs) and prevents HC emissions from escaping into the atmosphere. The system consists of a fuel tank filler cap with a built-in pressure-vacuum relief valve that lets fresh air circulate inside the entire structure. When 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) detects an issue with the valve, it will log a code P0498.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0498 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) P0498 stands for &ldquo;Evaporative Emission System Vent Valve Control Circuit Low.&rdquo;<\/p>\n\n\n\n<p>Modern EVAP systems have a vent valve that opens whenever the pressure or vacuum exceeds a calibrated value and closes when the pressure or vacuum has been relieved.<\/p>\n\n\n\n<p>When the PCM detects that the valve is venting when it should not, on-board diagnostics (OBD) will log a P0498 code.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P0498 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<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\/man-running-diagnostic-equipment-gets-P0498-code-1024x681.jpg\" alt=\"man running diagnostic equipment gets P0498 code\" class=\"wp-image-71925\" width=\"1024\" height=\"681\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/man-running-diagnostic-equipment-gets-P0498-code-1024x681.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/man-running-diagnostic-equipment-gets-P0498-code-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/man-running-diagnostic-equipment-gets-P0498-code-768x511.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/man-running-diagnostic-equipment-gets-P0498-code-1536x1022.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/man-running-diagnostic-equipment-gets-P0498-code-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/man-running-diagnostic-equipment-gets-P0498-code-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/man-running-diagnostic-equipment-gets-P0498-code-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Diagnostic trouble code (DTC) P0498 stands for &ldquo;Evaporative Emission System Vent Valve Control Circuit Low.&rdquo;<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Causes of the P0498 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>EVAP vent valve failure<\/li><li>Wiring issues or a blown fuse<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Faulty PCM\">Faulty PCM<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0498 Code?<\/h2>\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>Rough idling<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-shuts-off-while-driving-causes-what-to-do\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Stalling\">Stalling<\/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 P0498 Code<\/h2>\n\n\n\n<p>Diagnosing DTCs like the P0498 typically involves using a scan tool and conducting visual inspections to check for damaged vapor hoses that could create vacuum leaks. However, keep in mind that the steps for diagnosis and repair can vary, depending on your vehicle&rsquo;s specifications.<\/p>\n\n\n\n<p>If you&rsquo;re not familiar with the process of diagnosing trouble codes and mapping out the EVAP system, it&rsquo;s best to have a professional inspect your vehicle. Otherwise, you can go ahead and do the job yourself.<\/p>\n\n\n\n<p>To help you out, here are a couple of videos that can give you an idea of what the process 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=\"honda accord 2.4 p0135 p0498\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Nq_cJS1RWPQ?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<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=\"P0498 Code Honda Element (the likely culprit) 1 minute how-to\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/yguXu5UXAgM?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 P0498 Code<\/h2>\n\n\n\n<p>Attempting to fix a P0498 code can be confusing if you don&rsquo;t have the right technical knowledge and tools. Under these circumstances, it&rsquo;s best to leave the job to a certified mechanic to ensure that all steps and protocols are followed correctly.<\/p>\n\n\n\n<p>But if you&rsquo;re confident that you can address the code on your own, keep in mind that the steps for diagnosis and repair can vary from one vehicle to another. So before you proceed, make sure you&rsquo;re equipped with the <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"right guides and equipment\">right guides and equipment<\/a>.<\/p>\n\n\n\n<p>Online auto repair resources like those from Chilton or an ALLDATA subscription contain vehicle-specific repair information, which will come in handy when fixing the P0498 code.<\/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\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>The evaporative emission (EVAP) control system traps volatile organic compounds (VOCs) and prevents HC emissions from escaping into the atmosphere&#8230;. <a href=\"https:\/\/www.carparts.com\/blog\/p0498-code-evaporative-emission-system-vent-valve-control-circuit-low\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":71924,"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":[1323],"ppma_author":[2607,2855],"class_list":{"0":"post-71378","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-engine-control-module-2","9":"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>P0498 Code: Evaporative Emission System Vent Valve Control Circuit Low - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn what the P0498 code means as well as the most common causes and symptoms that are associated with this trouble code.\" \/>\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\/p0498-code-evaporative-emission-system-vent-valve-control-circuit-low\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0498 Code: Evaporative Emission System Vent Valve Control Circuit Low - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Learn what the P0498 code means as well as the most common causes and symptoms that are associated with this trouble code.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0498-code-evaporative-emission-system-vent-valve-control-circuit-low\/\" \/>\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=\"2022-09-01T10:04:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-17T22:35:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/mechanic-diagnose-p0498-code.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1333\" \/>\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\\\/p0498-code-evaporative-emission-system-vent-valve-control-circuit-low\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0498-code-evaporative-emission-system-vent-valve-control-circuit-low\\\/\"},\"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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