{"id":79332,"date":"2025-06-23T10:19:14","date_gmt":"2025-06-23T15:19:14","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79332"},"modified":"2025-06-23T10:19:14","modified_gmt":"2025-06-23T15:19:14","slug":"p20a5-obd2-reductant-purge-control-valve-stuck-closed","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed","title":{"rendered":"P20A5 OBD2: Reductant Purge Control Valve Stuck Closed"},"content":{"rendered":"<h2>What Does the P20A5 Code Mean?<\/h2>\n<p>The P20A5 code is an OBD-II trouble code that indicates a malfunction in the Reductant Purge Control Valve, which is stuck in the closed position. This valve is essential for controlling the flow of Diesel Exhaust Fluid (DEF) from the pump to the injector, which is crucial for reducing harmful exhaust emissions in diesel engines.<\/p>\n<h2>What Causes the P20A5 Code?<\/h2>\n<p>The P20A5 code can be triggered by several factors, including:<\/p>\n<ul>\n<li>Failure of the Reductant Purge Valve<\/li>\n<li>Issues with the Powertrain Control Module (PCM)<\/li>\n<li>Wiring problems, such as shorts or open circuits in the electrical connections<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P20A5 Code?<\/h2>\n<p>Common symptoms associated with the P20A5 code include:<\/p>\n<ul>\n<li>Failure of the Diesel Particulate Filter (DPF) regeneration process<\/li>\n<li>Check Engine Light illuminated on the dashboard<\/li>\n<li>Decreased engine performance<\/li>\n<li>Increased emissions<\/li>\n<\/ul>\n<h2>How Serious Is the P20A5 Code?<\/h2>\n<p>The P20A5 code is classified as urgent, meaning immediate action is necessary to prevent severe damage to the vehicle. Ignoring this code could lead to further complications in the exhaust system and potentially harm the driver and passengers due to increased emissions.<\/p>\n<h2>How to Diagnose the P20A5 Code<\/h2>\n<p>Diagnosing the P20A5 code involves several steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the presence of the P20A5 code.<\/li>\n<li>Inspect the Reductant Purge Valve and associated wiring for damage or corrosion.<\/li>\n<li>Test the electrical signals to the valve using a multimeter.<\/li>\n<li>Check for additional trouble codes that may indicate related issues.<\/li>\n<\/ol>\n<h2>Common Repairs for the P20A5 Code<\/h2>\n<p>Common repairs for addressing the P20A5 code may include:<\/p>\n<ul>\n<li>Replacing the Reductant Purge Valve<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Reprogramming or replacing the Powertrain Control Module (PCM)<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P20A5 Code?<\/h2>\n<p>The cost to repair the P20A5 code can vary widely depending on the specific issue and labor rates in your area. Generally, you can expect repair costs to range from $200 to $800, including parts and labor.<\/p>\n<h2>Can I Fix the P20A5 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to fix the P20A5 code by replacing the Reductant Purge Valve or addressing wiring issues, it\u2019s important to ensure you have the right tools and knowledge. If you&#8217;re unsure about the diagnosis or repair process, it&#8217;s advisable to consult a professional mechanic to avoid further complications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P20A5 Code Mean? The P20A5 code is an OBD-II trouble code that indicates a malfunction in the Reductant Purge Control Valve, which is stuck in the closed position. This valve is essential for controlling the flow of Diesel Exhaust Fluid (DEF) from the pump to the injector, which is crucial for reducing &hellip;<\/p>\n","protected":false},"author":26,"featured_media":89202,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[11987],"tags":[],"class_list":["post-79332","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-p-obd2-codes-powertrain"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.6 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P20A5 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P20A5 code, what causes reductant purge control valve stuck closed, and how to diagnose and fix common issues to maintain optimal engine performance.\" \/>\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.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P20A5 OBD2: Reductant Purge Control Valve Stuck Closed\" \/>\n<meta property=\"og:description\" content=\"What Does the P20A5 Code Mean? The P20A5 code is an OBD-II trouble code that indicates a malfunction in the Reductant Purge Control Valve, which is stuck\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed\" \/>\n<meta property=\"og:site_name\" content=\"eManualOnline Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/EmanualOnline\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/jee514\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-23T15:19:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"JC Landry\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@eManualOnline\" \/>\n<meta name=\"twitter:site\" content=\"@eManualOnline\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"JC Landry\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P20A5 OBD2: Reductant Purge Control Valve Stuck Closed\",\"datePublished\":\"2025-06-23T15:19:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed\"},\"wordCount\":412,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png\",\"articleSection\":[\"P Codes - OBD2 Powertrain Codes\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed\",\"name\":\"OBD2 Code P20A5 \u2013 Causes, Symptoms, and Repairs\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png\",\"datePublished\":\"2025-06-23T15:19:14+00:00\",\"description\":\"Learn all about the P20A5 code, what causes reductant purge control valve stuck closed, and how to diagnose and fix common issues to maintain optimal engine performance.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#primaryimage\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png\",\"contentUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png\",\"width\":1200,\"height\":675,\"caption\":\"P20A5 OBD2: Reductant Purge Control Valve Stuck Closed\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P20A5 OBD2: Reductant Purge Control Valve Stuck Closed\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/\",\"name\":\"eManualOnline Blog\",\"description\":\"Free Tips on Car Service, Repair and General Stuff\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\",\"name\":\"eManualOnline\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/cdm.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/LOGO-NEW.png\",\"contentUrl\":\"https:\\\/\\\/cdm.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/LOGO-NEW.png\",\"width\":512,\"height\":82,\"caption\":\"eManualOnline\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/EmanualOnline\\\/\",\"https:\\\/\\\/x.com\\\/eManualOnline\",\"https:\\\/\\\/www.instagram.com\\\/emanual.online\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/emanualonline\",\"https:\\\/\\\/www.pinterest.com\\\/emanualonline\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\",\"name\":\"JC Landry\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/07\\\/Jee-150x150.jpg\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/07\\\/Jee-150x150.jpg\",\"contentUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/07\\\/Jee-150x150.jpg\",\"caption\":\"JC Landry\"},\"description\":\"JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of\u00a0TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.\",\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/jee514\",\"https:\\\/\\\/www.instagram.com\\\/rat_in_chief\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/jean-claude-landry-857781186\\\/\"],\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/author\\\/jclandry\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"OBD2 Code P20A5 \u2013 Causes, Symptoms, and Repairs","description":"Learn all about the P20A5 code, what causes reductant purge control valve stuck closed, and how to diagnose and fix common issues to maintain optimal engine performance.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed","og_locale":"en_US","og_type":"article","og_title":"P20A5 OBD2: Reductant Purge Control Valve Stuck Closed","og_description":"What Does the P20A5 Code Mean? The P20A5 code is an OBD-II trouble code that indicates a malfunction in the Reductant Purge Control Valve, which is stuck","og_url":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed","og_site_name":"eManualOnline Blog","article_publisher":"https:\/\/www.facebook.com\/EmanualOnline\/","article_author":"https:\/\/www.facebook.com\/jee514","article_published_time":"2025-06-23T15:19:14+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png","type":"image\/png"}],"author":"JC Landry","twitter_card":"summary_large_image","twitter_creator":"@eManualOnline","twitter_site":"@eManualOnline","twitter_misc":{"Written by":"JC Landry","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#article","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed"},"author":{"name":"JC Landry","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403"},"headline":"P20A5 OBD2: Reductant Purge Control Valve Stuck Closed","datePublished":"2025-06-23T15:19:14+00:00","mainEntityOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed"},"wordCount":412,"commentCount":0,"publisher":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png","articleSection":["P Codes - OBD2 Powertrain Codes"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#respond"]}],"copyrightYear":"2025","copyrightHolder":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"}},{"@type":"WebPage","@id":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed","url":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed","name":"OBD2 Code P20A5 \u2013 Causes, Symptoms, and Repairs","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#primaryimage"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png","datePublished":"2025-06-23T15:19:14+00:00","description":"Learn all about the P20A5 code, what causes reductant purge control valve stuck closed, and how to diagnose and fix common issues to maintain optimal engine performance.","breadcrumb":{"@id":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#primaryimage","url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png","contentUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png","width":1200,"height":675,"caption":"P20A5 OBD2: Reductant Purge Control Valve Stuck Closed"},{"@type":"BreadcrumbList","@id":"https:\/\/www.emanualonline.com\/blog\/p20a5-obd2-reductant-purge-control-valve-stuck-closed#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.emanualonline.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P20A5 OBD2: Reductant Purge Control Valve Stuck Closed"}]},{"@type":"WebSite","@id":"https:\/\/www.emanualonline.com\/blog\/#website","url":"https:\/\/www.emanualonline.com\/blog\/","name":"eManualOnline Blog","description":"Free Tips on Car Service, Repair and General Stuff","publisher":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.emanualonline.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.emanualonline.com\/blog\/#organization","name":"eManualOnline","url":"https:\/\/www.emanualonline.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/cdm.emanualonline.com\/blog\/wp-content\/uploads\/2021\/04\/LOGO-NEW.png","contentUrl":"https:\/\/cdm.emanualonline.com\/blog\/wp-content\/uploads\/2021\/04\/LOGO-NEW.png","width":512,"height":82,"caption":"eManualOnline"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/EmanualOnline\/","https:\/\/x.com\/eManualOnline","https:\/\/www.instagram.com\/emanual.online\/","https:\/\/www.linkedin.com\/company\/emanualonline","https:\/\/www.pinterest.com\/emanualonline\/"]},{"@type":"Person","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403","name":"JC Landry","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2020\/07\/Jee-150x150.jpg","url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2020\/07\/Jee-150x150.jpg","contentUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2020\/07\/Jee-150x150.jpg","caption":"JC Landry"},"description":"JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of\u00a0TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.","sameAs":["https:\/\/www.facebook.com\/jee514","https:\/\/www.instagram.com\/rat_in_chief\/","https:\/\/www.linkedin.com\/in\/jean-claude-landry-857781186\/"],"url":"https:\/\/www.emanualonline.com\/blog\/author\/jclandry"}]}},"uagb_featured_image_src":{"full":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p20a5-obd2-reductant-purge-control-valve-stuck-closed-1050x525.png",1050,525,true]},"uagb_author_info":{"display_name":"JC Landry","author_link":"https:\/\/www.emanualonline.com\/blog\/author\/jclandry"},"uagb_comment_info":0,"uagb_excerpt":"What Does the P20A5 Code Mean? The P20A5 code is an OBD-II trouble code that indicates a malfunction in the Reductant Purge Control Valve, which is stuck in the closed position. This valve is essential for controlling the flow of Diesel Exhaust Fluid (DEF) from the pump to the injector, which is crucial for reducing&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79332","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/comments?post=79332"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79332\/revisions"}],"predecessor-version":[{"id":86031,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79332\/revisions\/86031"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/89202"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=79332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=79332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=79332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}