{"id":79202,"date":"2025-07-06T19:18:03","date_gmt":"2025-07-07T00:18:03","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79202"},"modified":"2025-07-06T19:18:03","modified_gmt":"2025-07-07T00:18:03","slug":"p2023-obd2-intake-manifold-runner-position-sensor-switch-circuit-intermittent","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2023-obd2-intake-manifold-runner-position-sensor-switch-circuit-intermittent","title":{"rendered":"P2023 OBD2: Intake Manifold Runner Position Sensor\/Switch Circuit Intermittent"},"content":{"rendered":"<p>The P2023 OBD-II code refers to an issue with the Intake Manifold Runner Position Sensor or Switch Circuit. This code indicates that there is an intermittent fault in the sensor or switch circuit, which is crucial for regulating air flow through the intake manifold.<\/p>\n<h2>What Does the P2023 Code Mean?<\/h2>\n<p>The P2023 code is triggered when the vehicle&#8217;s Powertrain Control Module (PCM) detects an intermittent issue with the intake manifold runner position sensor or switch circuit. This component plays a vital role in optimizing air intake at varying engine speeds, ensuring efficient engine performance.<\/p>\n<h2>What Causes the P2023 Code?<\/h2>\n<p>Several factors can lead to the P2023 code, including:<\/p>\n<ul>\n<li>Intake manifold runner control actuator failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Restricted vacuum lines<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2023 Code?<\/h2>\n<p>Drivers may experience various symptoms when the P2023 code is present, such as:<\/p>\n<ul>\n<li>Reduced engine performance<\/li>\n<li>Rough idling<\/li>\n<li>Check engine light illuminated<\/li>\n<li>Poor fuel economy<\/li>\n<\/ul>\n<h2>How Serious Is the P2023 Code?<\/h2>\n<p>While the P2023 code is categorized as moderate severity, it is essential to address it promptly. Although it may not pose an immediate threat to vehicle safety or functionality, neglecting it can lead to more serious engine problems over time.<\/p>\n<h2>How to Diagnose the P2023 Code<\/h2>\n<p>Proper diagnosis of the P2023 code requires specialized equipment and expertise. A certified mechanic will typically:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the presence of the P2023 code.<\/li>\n<li>Inspect the intake manifold runner control actuator and associated wiring.<\/li>\n<li>Check for vacuum leaks or restrictions in the vacuum lines.<\/li>\n<li>Test the Powertrain Control Module (PCM) for faults.<\/li>\n<\/ul>\n<h2>Common Repairs for the P2023 Code<\/h2>\n<p>Repairs for the P2023 code may include:<\/p>\n<ul>\n<li>Replacing the intake manifold runner control actuator<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Clearing vacuum line restrictions<\/li>\n<li>Replacing the Powertrain Control Module (PCM) if found faulty<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2023 Code?<\/h2>\n<p>The cost to repair the P2023 code can vary widely based on the underlying cause and the vehicle make and model. On average, repairs can range from $100 to $1,000, depending on whether parts such as the actuator or PCM need replacement.<\/p>\n<h2>Can I Fix the P2023 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to tackle minor repairs, diagnosing and repairing the P2023 code often requires specialized knowledge and tools. If you are not experienced with automotive diagnostics, it is advisable to consult a professional mechanic to ensure the problem is resolved correctly.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P2023 OBD-II code refers to an issue with the Intake Manifold Runner Position Sensor or Switch Circuit. This code indicates that there is an intermittent fault in the sensor or switch circuit, which is crucial for regulating air flow through the intake manifold. What Does the P2023 Code Mean? The P2023 code is triggered &hellip;<\/p>\n","protected":false},"author":26,"featured_media":89610,"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-79202","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 P2023 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2023 code, what causes intake manifold runner position sensor\/switch circuit intermittent 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\/p2023-obd2-intake-manifold-runner-position-sensor-switch-circuit-intermittent\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2023 OBD2: Intake Manifold Runner Position Sensor\/Switch Circuit Intermittent\" \/>\n<meta property=\"og:description\" content=\"The P2023 OBD-II code refers to an issue with the Intake Manifold Runner Position Sensor or Switch Circuit. This code indicates that there is an\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2023-obd2-intake-manifold-runner-position-sensor-switch-circuit-intermittent\" \/>\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=\"2025-07-07T00:18:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent.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\" 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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\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2023-obd2-intake-manifold-runner-position-sensorswitch-circuit-intermittent-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 P2023 OBD-II code refers to an issue with the Intake Manifold Runner Position Sensor or Switch Circuit. This code indicates that there is an intermittent fault in the sensor or switch circuit, which is crucial for regulating air flow through the intake manifold. What Does the P2023 Code Mean? 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