{"id":77703,"date":"2025-08-31T10:10:25","date_gmt":"2025-08-31T15:10:25","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77703"},"modified":"2025-08-31T10:10:25","modified_gmt":"2025-08-31T15:10:25","slug":"p044a-obd2-exhaust-gas-recirculation-sensor-c-circuit","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p044a-obd2-exhaust-gas-recirculation-sensor-c-circuit","title":{"rendered":"P044A OBD2: Exhaust Gas Recirculation Sensor &#8220;C&#8221; Circuit"},"content":{"rendered":"<h2>What Does the P044A Code Mean?<\/h2>\n<p>The P044A code indicates an issue with the Exhaust Gas Recirculation (EGR) Sensor &#8220;C&#8221; Circuit. This code is triggered when the engine control module (PCM) detects that the amount of EGR flow requested does not match the actual flow detected.<\/p>\n<h2>What Causes the P044A Code?<\/h2>\n<p>Several factors can lead to the P044A code, including:<\/p>\n<ul>\n<li>Failure of the EGR valve<\/li>\n<li>Issues with the Powertrain Control Module (PCM)<\/li>\n<li>Wiring problems within the EGR circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P044A Code?<\/h2>\n<p>Drivers may notice the following symptoms when the P044A code is present:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<h2>How Serious Is the P044A Code?<\/h2>\n<p>The severity of the P044A code is considered moderate. While it may not pose an immediate threat to vehicle safety or functionality, it should be diagnosed in a timely manner to prevent further complications and maintain optimal vehicle performance.<\/p>\n<h2>How to Diagnose the P044A Code<\/h2>\n<p>A proper diagnosis of the P044A code typically involves:<\/p>\n<ul>\n<li>Using an OBD-II scanner to confirm the code and check for any related codes<\/li>\n<li>Inspecting the EGR system, including the valve and its wiring<\/li>\n<li>Testing the PCM for any faults<\/li>\n<\/ul>\n<p>        It is recommended to use certified repair shops for an accurate diagnosis.<\/p>\n<h2>Common Repairs for the P044A Code<\/h2>\n<p>Common repairs to address the P044A code include:<\/p>\n<ul>\n<li>Replacing the EGR valve<\/li>\n<li>Repairing or replacing damaged wiring<\/li>\n<li>Replacing the Powertrain Control Module (PCM) if necessary<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P044A Code?<\/h2>\n<p>The cost to fix the P044A code can vary widely based on the specific repair needed. Generally, EGR valve replacement can range from $200 to $600, depending on the vehicle model and labor costs.<\/p>\n<h2>Can I Fix the P044A Code Myself?<\/h2>\n<p>If you have mechanical skills and the right tools, you may be able to diagnose and repair the P044A code yourself. However, if you are not experienced with vehicle diagnostics or repairs, it is advisable to seek professional assistance to ensure the issue is resolved correctly.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P044A Code Mean? The P044A code indicates an issue with the Exhaust Gas Recirculation (EGR) Sensor &#8220;C&#8221; Circuit. This code is triggered when the engine control module (PCM) detects that the amount of EGR flow requested does not match the actual flow detected. What Causes the P044A Code? Several factors can lead &hellip;<\/p>\n","protected":false},"author":26,"featured_media":94549,"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-77703","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 P044A \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P044A code, what causes exhaust gas recirculation sensor &quot;C&quot; circuit issues, and how to diagnose and fix common problems 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\/p044a-obd2-exhaust-gas-recirculation-sensor-c-circuit\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P044A OBD2: Exhaust Gas Recirculation Sensor &quot;C&quot; Circuit\" \/>\n<meta property=\"og:description\" content=\"What Does the P044A Code Mean? The P044A code indicates an issue with the Exhaust Gas Recirculation (EGR) Sensor &quot;C&quot; Circuit. This code is triggered when\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p044a-obd2-exhaust-gas-recirculation-sensor-c-circuit\" \/>\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=\"2025-08-31T15:10:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p044a-obd2-exhaust-gas-recirculation-sensor-c-circuit.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\\\/p044a-obd2-exhaust-gas-recirculation-sensor-c-circuit#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p044a-obd2-exhaust-gas-recirculation-sensor-c-circuit\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P044A OBD2: Exhaust Gas Recirculation Sensor &#8220;C&#8221; 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The P044A code indicates an issue with the Exhaust Gas Recirculation (EGR) Sensor &#8220;C&#8221; Circuit. This code is triggered when the engine control module (PCM) detects that the amount of EGR flow requested does not match the actual flow detected. What Causes the P044A Code? Several factors can lead&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77703","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=77703"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77703\/revisions"}],"predecessor-version":[{"id":84402,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77703\/revisions\/84402"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/94549"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=77703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=77703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=77703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}