{"id":80013,"date":"2025-05-27T11:38:54","date_gmt":"2025-05-27T16:38:54","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=80013"},"modified":"2025-06-04T05:10:08","modified_gmt":"2025-06-04T10:10:08","slug":"p2621-obd2-throttle-position-output-circuit-low","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low","title":{"rendered":"P2621 OBD2: Throttle Position Output Circuit Low"},"content":{"rendered":"<p>The OBD-II code P2621 indicates an issue with the throttle position sensor or its circuit, which is crucial for optimal engine performance.<\/p>\n<h2>What Does the P2621 Code Mean?<\/h2>\n<p>The P2621 code signifies that the throttle position sensor output circuit is reading low, meaning the engine control module (PCM) is receiving a signal that does not align with expected values. This can affect how the engine responds to acceleration requests.<\/p>\n<h2>What Causes the P2621 Code?<\/h2>\n<p>Several factors can trigger the P2621 code, including:<\/p>\n<ul>\n<li>Faulty Throttle Position Sensor<\/li>\n<li>Wiring issues within the sensor circuit<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Throttle control motor failure<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2621 Code?<\/h2>\n<p>Drivers may notice the following symptoms if the P2621 code is present:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Engine may enter limp home mode, limiting speed to 20 mph or less<\/li>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<h2>How Serious Is the P2621 Code?<\/h2>\n<p>The P2621 code is classified as urgent. Ignoring it can lead to severe engine damage and poses safety risks to the driver and passengers. Immediate attention is necessary to prevent further complications.<\/p>\n<h2>How to Diagnose the P2621 Code<\/h2>\n<p>Diagnosing the P2621 code typically involves the following steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the P2621 code and check for any other related codes.<\/li>\n<li>Inspect the throttle position sensor and its wiring for damage or corrosion.<\/li>\n<li>Test the throttle position sensor with a multimeter to verify its output against specifications.<\/li>\n<li>Check the PCM for any software updates or faults.<\/li>\n<\/ol>\n<h2>Common Repairs for the P2621 Code<\/h2>\n<p>Common repairs for addressing the P2621 code may include:<\/p>\n<ul>\n<li>Throttle Position Sensor Replacement<\/li>\n<li>Repairing or replacing damaged wiring<\/li>\n<li>Powertrain Control Module (PCM) replacement or reprogramming<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2621 Code?<\/h2>\n<p>The cost to fix the P2621 code can vary widely depending on the underlying issue. On average, repairs may range from $100 to $600, including parts and labor. Replacing the throttle position sensor is usually the most common fix.<\/p>\n<h2>Can I Fix the P2621 Code Myself?<\/h2>\n<p>While some DIY mechanics may feel comfortable replacing the throttle position sensor or checking wiring, it&#8217;s important to have a solid understanding of automotive electronics and diagnostics. If you are unsure, it&#8217;s always best to consult a professional mechanic to ensure proper diagnosis and repair.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The OBD-II code P2621 indicates an issue with the throttle position sensor or its circuit, which is crucial for optimal engine performance. What Does the P2621 Code Mean? The P2621 code signifies that the throttle position sensor output circuit is reading low, meaning the engine control module (PCM) is receiving a signal that does not &hellip;<\/p>\n","protected":false},"author":26,"featured_media":82686,"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-80013","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 v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OBD2 Code P2621 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2621 code, what causes throttle position output circuit low, 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\/p2621-obd2-throttle-position-output-circuit-low\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2621 OBD2: Throttle Position Output Circuit Low\" \/>\n<meta property=\"og:description\" content=\"The OBD-II code P2621 indicates an issue with the throttle position sensor or its circuit, which is crucial for optimal engine performance. What Does the\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low\" \/>\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=\"2025-05-27T16:38:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-04T10:10:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low.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\/p2621-obd2-throttle-position-output-circuit-low#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P2621 OBD2: Throttle Position Output Circuit Low\",\"datePublished\":\"2025-05-27T16:38:54+00:00\",\"dateModified\":\"2025-06-04T10:10:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low\"},\"wordCount\":382,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low.png\",\"articleSection\":[\"P Codes - OBD2 Powertrain Codes\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low\",\"url\":\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low\",\"name\":\"OBD2 Code P2621 \u2013 Causes, Symptoms, and Repairs\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low.png\",\"datePublished\":\"2025-05-27T16:38:54+00:00\",\"dateModified\":\"2025-06-04T10:10:08+00:00\",\"description\":\"Learn all about the P2621 code, what causes throttle position output circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#primaryimage\",\"url\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low.png\",\"contentUrl\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low.png\",\"width\":1200,\"height\":675,\"caption\":\"P2621 OBD2: Throttle Position Output Circuit Low\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.emanualonline.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P2621 OBD2: Throttle Position Output Circuit Low\"}]},{\"@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\/#\/schema\/person\/image\/\",\"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 P2621 \u2013 Causes, Symptoms, and Repairs","description":"Learn all about the P2621 code, what causes throttle position output circuit low, 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\/p2621-obd2-throttle-position-output-circuit-low","og_locale":"en_US","og_type":"article","og_title":"P2621 OBD2: Throttle Position Output Circuit Low","og_description":"The OBD-II code P2621 indicates an issue with the throttle position sensor or its circuit, which is crucial for optimal engine performance. What Does the","og_url":"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low","og_site_name":"eManualOnline Blog","article_publisher":"https:\/\/www.facebook.com\/EmanualOnline\/","article_author":"https:\/\/www.facebook.com\/jee514","article_published_time":"2025-05-27T16:38:54+00:00","article_modified_time":"2025-06-04T10:10:08+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low.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\/p2621-obd2-throttle-position-output-circuit-low#article","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low"},"author":{"name":"JC Landry","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403"},"headline":"P2621 OBD2: Throttle Position Output Circuit Low","datePublished":"2025-05-27T16:38:54+00:00","dateModified":"2025-06-04T10:10:08+00:00","mainEntityOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low"},"wordCount":382,"commentCount":0,"publisher":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low.png","articleSection":["P Codes - OBD2 Powertrain Codes"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#respond"]}],"copyrightYear":"2025","copyrightHolder":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"}},{"@type":"WebPage","@id":"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low","url":"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low","name":"OBD2 Code P2621 \u2013 Causes, Symptoms, and Repairs","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#primaryimage"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low.png","datePublished":"2025-05-27T16:38:54+00:00","dateModified":"2025-06-04T10:10:08+00:00","description":"Learn all about the P2621 code, what causes throttle position output circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.","breadcrumb":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#primaryimage","url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low.png","contentUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low.png","width":1200,"height":675,"caption":"P2621 OBD2: Throttle Position Output Circuit Low"},{"@type":"BreadcrumbList","@id":"https:\/\/www.emanualonline.com\/blog\/p2621-obd2-throttle-position-output-circuit-low#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.emanualonline.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P2621 OBD2: Throttle Position Output Circuit Low"}]},{"@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\/#\/schema\/person\/image\/","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\/05\/p2621-obd2-throttle-position-output-circuit-low.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2621-obd2-throttle-position-output-circuit-low-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":"The OBD-II code P2621 indicates an issue with the throttle position sensor or its circuit, which is crucial for optimal engine performance. What Does the P2621 Code Mean? The P2621 code signifies that the throttle position sensor output circuit is reading low, meaning the engine control module (PCM) is receiving a signal that does not&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80013","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=80013"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80013\/revisions"}],"predecessor-version":[{"id":82688,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80013\/revisions\/82688"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/82686"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=80013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=80013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=80013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}