{"id":77749,"date":"2025-08-29T10:52:21","date_gmt":"2025-08-29T15:52:21","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77749"},"modified":"2025-08-29T10:52:21","modified_gmt":"2025-08-29T15:52:21","slug":"p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittent-erratic","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittent-erratic","title":{"rendered":"P047E OBD2: Exhaust Pressure Sensor &#8220;B&#8221; Circuit Intermittent\/Erratic"},"content":{"rendered":"<p>The P047E OBD-II code indicates an issue with the exhaust pressure sensor circuit. This code is related to how the engine control module (PCM) interprets pressure readings from the exhaust system.<\/p>\n<h2>What Does the P047E Code Mean?<\/h2>\n<p>The P047E code signifies that the Exhaust Pressure Sensor &#8220;B&#8221; is experiencing an intermittent or erratic signal. The PCM relies on accurate pressure data to manage the engine&#8217;s performance effectively. If it detects an incorrect signal, it triggers this code.<\/p>\n<h2>What Causes the P047E Code?<\/h2>\n<p>Several factors can contribute to the P047E code, including:<\/p>\n<ul>\n<li>Exhaust pressure sensor failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues, such as damaged or corroded wires<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P047E Code?<\/h2>\n<p>Common symptoms of the P047E code may include:<\/p>\n<ul>\n<li>Check Engine Light (CEL) illuminated<\/li>\n<li>Loss of power or acceleration<\/li>\n<li>Decreased fuel efficiency<\/li>\n<li>Rough engine idle<\/li>\n<\/ul>\n<h2>How Serious Is the P047E Code?<\/h2>\n<p>The severity of the P047E code is considered moderate. While it may not pose an immediate threat to vehicle safety, it is advisable to address the issue within a reasonable timeframe to prevent further complications that could affect vehicle performance.<\/p>\n<h2>How to Diagnose the P047E Code<\/h2>\n<p>To properly diagnose the P047E code, a mechanic will typically:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the presence of the code and check for any related codes<\/li>\n<li>Inspect the wiring and connectors associated with the exhaust pressure sensor for damage or corrosion<\/li>\n<li>Test the exhaust pressure sensor to ensure it is functioning correctly<\/li>\n<li>Check the PCM for any faults that may be contributing to the code<\/li>\n<\/ul>\n<h2>Common Repairs for the P047E Code<\/h2>\n<p>Repairs for the P047E code may include:<\/p>\n<ul>\n<li>Replacing the faulty exhaust pressure sensor<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Reprogramming or replacing the PCM if necessary<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P047E Code?<\/h2>\n<p>The cost to repair the P047E code can vary depending on the specific issue and the make and model of the vehicle. On average, repairs can range from $100 to $600, including parts and labor.<\/p>\n<h2>Can I Fix the P047E Code Myself?<\/h2>\n<p>While some basic diagnostics and repairs can be done by a knowledgeable DIYer, it is recommended to seek professional help for the P047E code. Proper tools and expertise are required to accurately diagnose and repair the issue, especially when dealing with the PCM or exhaust system components.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P047E OBD-II code indicates an issue with the exhaust pressure sensor circuit. This code is related to how the engine control module (PCM) interprets pressure readings from the exhaust system. What Does the P047E Code Mean? The P047E code signifies that the Exhaust Pressure Sensor &#8220;B&#8221; is experiencing an intermittent or erratic signal. The &hellip;<\/p>\n","protected":false},"author":26,"featured_media":94443,"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-77749","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 P047E \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P047E code, what causes exhaust pressure sensor &quot;B&quot; circuit intermittent\/erratic, 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\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittent-erratic\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P047E OBD2: Exhaust Pressure Sensor &quot;B&quot; Circuit Intermittent\/Erratic\" \/>\n<meta property=\"og:description\" content=\"The P047E OBD-II code indicates an issue with the exhaust pressure sensor circuit. This code is related to how the engine control module (PCM) interprets\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittent-erratic\" \/>\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=\"2025-08-29T15:52:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic.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\\\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittent-erratic#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittent-erratic\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P047E OBD2: Exhaust Pressure Sensor &#8220;B&#8221; 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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\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p047e-obd2-exhaust-pressure-sensor-b-circuit-intermittenterratic-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 P047E OBD-II code indicates an issue with the exhaust pressure sensor circuit. 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