{"id":79477,"date":"2025-06-16T12:52:23","date_gmt":"2025-06-16T17:52:23","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79477"},"modified":"2025-06-16T12:52:23","modified_gmt":"2025-06-16T17:52:23","slug":"p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open","title":{"rendered":"P2146 OBD2: Fuel Injector Group &#8220;A&#8221; Supply Voltage Circuit\/Open"},"content":{"rendered":"<p>The P2146 code is an OBD-II trouble code that indicates a problem with the fuel injector supply voltage circuit. This code signifies that the engine control unit (ECU) has detected an issue with the fuel injectors in group &#8216;A&#8217;, which could lead to improper engine operation.<\/p>\n<h2>What Does the P2146 Code Mean?<\/h2>\n<p>The P2146 code specifically refers to a fault in the fuel injector Group &#8216;A&#8217; supply voltage circuit. The Powertrain Control Module (PCM) monitors the performance of fuel injectors, and if it detects that one or more fuel injectors in this group are not functioning correctly, it will set the P2146 code. This is a precautionary measure to disable the affected injectors and prevent damage to the engine or other components.<\/p>\n<h2>What Causes the P2146 Code?<\/h2>\n<p>Several factors can trigger the P2146 code, including:<\/p>\n<ul>\n<li>Fuel injector failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues or damaged connectors related to the fuel injectors<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2146 Code?<\/h2>\n<p>When the P2146 code is triggered, you may notice the following symptoms:<\/p>\n<ul>\n<li>The engine may run rough or misfire<\/li>\n<li>Decreased engine performance<\/li>\n<li>Potential stalling or difficulty starting the vehicle<\/li>\n<\/ul>\n<h2>How Serious Is the P2146 Code?<\/h2>\n<p>The P2146 code is considered urgent. Immediate action is necessary, as neglecting this issue can lead to severe damage to the engine or other components, as well as posing a safety risk to the driver and passengers.<\/p>\n<h2>How to Diagnose the P2146 Code<\/h2>\n<p>To accurately diagnose the P2146 code, a mechanic should:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the presence of the P2146 code and check for any related codes.<\/li>\n<li>Inspect wiring and connectors for damage or corrosion.<\/li>\n<li>Test the fuel injectors to ensure they are functioning correctly.<\/li>\n<li>Check the Powertrain Control Module for faults or failures.<\/li>\n<\/ol>\n<h2>Common Repairs for the P2146 Code<\/h2>\n<p>Common repairs for the P2146 code may include:<\/p>\n<ul>\n<li>Replacing faulty fuel injectors<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Replacing or reprogramming the Powertrain Control Module (PCM)<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2146 Code?<\/h2>\n<p>The cost to fix the P2146 code can vary significantly depending on the specific issue causing the code. Here are some general estimates:<\/p>\n<ul>\n<li>Fuel injector replacement: $200 &#8211; $500<\/li>\n<li>Wiring repairs: $100 &#8211; $300<\/li>\n<li>PCM replacement: $500 &#8211; $1,500<\/li>\n<\/ul>\n<h2>Can I Fix the P2146 Code Myself?<\/h2>\n<p>If you have experience with automotive repairs and understand electrical systems, you may be able to diagnose and fix the P2146 code yourself. However, due to the urgency of this issue and the complexity of the components involved, it is highly recommended to consult a professional mechanic to ensure proper diagnosis and repair.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P2146 code is an OBD-II trouble code that indicates a problem with the fuel injector supply voltage circuit. This code signifies that the engine control unit (ECU) has detected an issue with the fuel injectors in group &#8216;A&#8217;, which could lead to improper engine operation. What Does the P2146 Code Mean? The P2146 code &hellip;<\/p>\n","protected":false},"author":26,"featured_media":88768,"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-79477","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 v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P2146 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2146 code, what causes fuel injector group &#039;A&#039; supply voltage circuit\/open, 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\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2146 OBD2: Fuel Injector Group &quot;A&quot; Supply Voltage Circuit\/Open\" \/>\n<meta property=\"og:description\" content=\"The P2146 code is an OBD-II trouble code that indicates a problem with the fuel injector supply voltage circuit. This code signifies that the engine\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open\" \/>\n<meta property=\"og:site_name\" content=\"eManualOnline Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/EmanualOnline\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-16T17:52:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.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\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P2146 OBD2: Fuel Injector Group &#8220;A&#8221; Supply Voltage Circuit\\\/Open\",\"datePublished\":\"2025-06-16T17:52:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open\"},\"wordCount\":439,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.png\",\"articleSection\":[\"P Codes - OBD2 Powertrain Codes\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open\",\"name\":\"OBD2 Code P2146 \u2013 Causes, Symptoms, and Repairs\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.png\",\"datePublished\":\"2025-06-16T17:52:23+00:00\",\"description\":\"Learn all about the P2146 code, what causes fuel injector group 'A' supply voltage circuit\\\/open, and how to diagnose and fix common issues to maintain optimal engine performance.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#primaryimage\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.png\",\"contentUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.png\",\"width\":1200,\"height\":675,\"caption\":\"P2146 OBD2: Fuel Injector Group \\\"A\\\" Supply Voltage Circuit\\\/Open\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P2146 OBD2: Fuel Injector Group &#8220;A&#8221; Supply Voltage Circuit\\\/Open\"}]},{\"@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 spent 15+ years as a certified Master Mechanic before trading the shop for the keyboard. He's worked across dealerships, owned and operated his own independent garage, and consulted on automotive trade school curricula, reviewing technical textbooks used in vocational programs. He now serves as Editor-in-Chief at eManualOnline.com, where he oversees the platform's technical content. He's one of the few voices in automotive publishing who has actually turned wrenches professionally on the vehicles he covers. He didn't learn automotive repair to write about it. He learned to write after spending over a decade doing it.\",\"sameAs\":[\"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 P2146 \u2013 Causes, Symptoms, and Repairs","description":"Learn all about the P2146 code, what causes fuel injector group 'A' supply voltage circuit\/open, 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\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open","og_locale":"en_US","og_type":"article","og_title":"P2146 OBD2: Fuel Injector Group \"A\" Supply Voltage Circuit\/Open","og_description":"The P2146 code is an OBD-II trouble code that indicates a problem with the fuel injector supply voltage circuit. This code signifies that the engine","og_url":"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open","og_site_name":"eManualOnline Blog","article_publisher":"https:\/\/www.facebook.com\/EmanualOnline\/","article_published_time":"2025-06-16T17:52:23+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.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\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#article","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open"},"author":{"name":"JC Landry","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403"},"headline":"P2146 OBD2: Fuel Injector Group &#8220;A&#8221; Supply Voltage Circuit\/Open","datePublished":"2025-06-16T17:52:23+00:00","mainEntityOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open"},"wordCount":439,"commentCount":0,"publisher":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.png","articleSection":["P Codes - OBD2 Powertrain Codes"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#respond"]}],"copyrightYear":"2025","copyrightHolder":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"}},{"@type":"WebPage","@id":"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open","url":"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open","name":"OBD2 Code P2146 \u2013 Causes, Symptoms, and Repairs","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#primaryimage"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.png","datePublished":"2025-06-16T17:52:23+00:00","description":"Learn all about the P2146 code, what causes fuel injector group 'A' supply voltage circuit\/open, and how to diagnose and fix common issues to maintain optimal engine performance.","breadcrumb":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#primaryimage","url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.png","contentUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.png","width":1200,"height":675,"caption":"P2146 OBD2: Fuel Injector Group \"A\" Supply Voltage Circuit\/Open"},{"@type":"BreadcrumbList","@id":"https:\/\/www.emanualonline.com\/blog\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuit-open#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.emanualonline.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P2146 OBD2: Fuel Injector Group &#8220;A&#8221; Supply Voltage Circuit\/Open"}]},{"@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 spent 15+ years as a certified Master Mechanic before trading the shop for the keyboard. He's worked across dealerships, owned and operated his own independent garage, and consulted on automotive trade school curricula, reviewing technical textbooks used in vocational programs. He now serves as Editor-in-Chief at eManualOnline.com, where he oversees the platform's technical content. He's one of the few voices in automotive publishing who has actually turned wrenches professionally on the vehicles he covers. He didn't learn automotive repair to write about it. He learned to write after spending over a decade doing it.","sameAs":["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\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2146-obd2-fuel-injector-group-a-supply-voltage-circuitopen-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 P2146 code is an OBD-II trouble code that indicates a problem with the fuel injector supply voltage circuit. This code signifies that the engine control unit (ECU) has detected an issue with the fuel injectors in group &#8216;A&#8217;, which could lead to improper engine operation. What Does the P2146 Code Mean? The P2146 code&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79477","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=79477"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79477\/revisions"}],"predecessor-version":[{"id":86176,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79477\/revisions\/86176"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/88768"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=79477"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=79477"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=79477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}