{"id":518329,"date":"2025-12-10T17:52:45","date_gmt":"2025-12-10T22:52:45","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/"},"modified":"2025-12-10T17:52:45","modified_gmt":"2025-12-10T22:52:45","slug":"dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/","title":{"rendered":"P2346 Code Symptoms, Causes, Diagnosis, Repair Steps & Costs"},"content":{"rendered":"
\n
\n
P2346<\/div>\n

P2346 Code Symptoms, Causes, Diagnosis, Repair Steps & Costs<\/h1>\n

\n<\/section>\n

\n

Quick Summary<\/h2>\n
    \n
  • P2346 indicates \u201cCylinder 11 Above Knock\/Combustion Vibration Sensor Threshold.\u201d <\/li>\n
  • Typical driver\u2011visible signs: persistent Check Engine Light, noticeable vibration from cylinder 11, occasional loss of power. <\/li>\n
  • Primary culprits are knock\u2011sensor signal anomalies or control\u2011module processing faults. <\/li>\n
  • Diagnosis starts with a full\u2010system scan, wiring integrity check, and live data review of the knock\u2011sensor circuit. <\/li>\n
  • Replacement of the engine control module (ECM\/PCM) is often the most reliable fix; Flagship One provides VIN\u2011matched, pre\u2011programmed modules with warranty coverage. <\/li>\n<\/ul>\n<\/div>\n

    P2346 Code Symptoms, Causes, and Repair Solutions <\/h3>\n

    When the check\u2011engine light stays illuminated and you feel a distinct thump or shake that seems to come from one side of the engine, the fault is often traced to P2346. Drivers typically notice a steady vibration that intensifies under load, a brief dip in acceleration, and a lingering CEL that does not clear after a short drive. The vibration is usually localized to the area of cylinder 11, and the engine may feel \u201crough\u201d for a few seconds before returning to normal. Because the code is triggered by the engine control module (ECM) detecting vibration levels above the programmed threshold, the problem is tied directly to how the module interprets the knock\u2011sensor signal. Early attention prevents the ECM from entering a limp\u2011mode or causing long\u2011term wear on internal components. <\/p>\n

    Symptoms <\/h4>\n
      \n
    • Check Engine Light stays on after a cold start and does not reset on its own. <\/li>\n
    • Distinct vibration or \u201cknocking\u201d sensation that is strongest at cylinder 11, especially under acceleration or load. <\/li>\n
    • Slight, intermittent loss of power or hesitation that disappears once the engine settles. <\/li>\n
    • Occasionally a brief rough\u2011running feel that resolves without stalling. <\/li>\n<\/ul>\n

      Why This Happens <\/h4>\n

      ##### Faulty Knock\u2011Sensor Signal <\/p>\n

      The knock sensor converts mechanical vibration into an electrical voltage that the ECM uses to adjust ignition timing. If the sensor produces a voltage spike\u2014caused by contamination, internal failure, or extreme wear\u2014the ECM registers the signal as \u201cabove threshold\u201d for cylinder 11 and stores P2346. <\/p>\n

      ##### Wiring or Connector Issues <\/p>\n

      Corroded pins, cracked harnesses, or poor grounding can introduce noise into the sensor circuit. Intermittent resistance spikes mimic a high\u2011amplitude knock signal, prompting the ECM to log the same fault. <\/p>\n

      ##### ECM\/PCM Processing Error <\/p>\n

      Modern ECMs contain self\u2011diagnostic software that monitors sensor trends. Corrupted firmware, memory glitches, or internal analog\u2011to\u2011digital conversion faults can cause the module to misinterpret normal vibration as excessive. In such cases, the sensor and wiring are healthy, but the module\u2019s logic is compromised. <\/p>\n

      ##### Calibration or Software Mismatch <\/p>\n

      After a major engine update or a change in fuel type, the ECM may require a software calibration to adjust the knock\u2011sensor threshold values. An outdated calibration can set the limit too low, causing P2346 to appear even when vibration is within normal limits. <\/p>\n

      Diagnostic and Repair Procedures <\/h4>\n
        \n
      1. Scan for Stored Codes<\/strong> \u2013 Connect a factory\u2011level OBD\u2011II scanner and retrieve all active and pending codes. Confirm that P2346 is the only knock\u2011related fault; other cylinder misfire codes may indicate additional issues.\n<\/li>\n
      2. Live Data Review<\/strong> \u2013 With the engine at idle and then under light load, monitor the knock\u2011sensor voltage (typically 0\u20135 V). Values that exceed 3 V for cylinder 11 are abnormal. Compare the reading to manufacturer specifications.\n<\/li>\n
      3. Visual Wiring Inspection<\/strong> \u2013 Trace the sensor harness from the engine block to the ECM. Look for cracked insulation, corrosion, or loose connectors. Repair any damaged sections and re\u2011torque connectors to the service torque spec (usually 8\u201312 Nm).\n<\/li>\n
      4. Sensor Resistance Test<\/strong> \u2013 Using a multimeter, measure the sensor\u2019s resistance at the connector (commonly 300\u2013800 \u03a9). Values outside the spec range suggest sensor failure; however, because the focus is on module solutions, note the result but proceed to module testing.\n<\/li>\n
      5. ECM Communication Test<\/strong> \u2013 Perform a bidirectional communication check with the ECM. A failed handshake or intermittent data loss points to a module\u2011level fault.\n<\/li>\n
      6. ECM Reprogramming<\/strong> \u2013 If the wiring and sensor appear functional, update the ECM\u2019s software to the latest calibration package. Reprogramming costs typically range from $150\u2011$250 for labor plus any required flash tools.\n<\/li>\n
      7. ECM Repair vs. Replacement Decision<\/strong> \u2013 Minor board\u2011level repairs (e.g., replacing a blown fuse on the module) may temporarily restore function, but recurring voltage spikes often indicate deeper analog\u2011to\u2011digital conversion issues.\n<\/li>\n
      8. Module Replacement<\/strong> \u2013 When reprogramming does not clear P2344, or when the ECM fails the communication test, replace the ECM. Replacement units cost $600\u2011$900 for the hardware plus $200\u2011$300 for programming and bench testing.\n<\/li>\n<\/ol>\n

        All steps should be documented, and the CEL must be cleared after each corrective action to verify that the fault does not return. <\/p>\n

        When Replacement Makes More Sense Than Repair <\/h4>\n

        If the ECM fails the communication test, exhibits recurring software corruption, or has sustained internal component damage, a replacement is the most reliable solution. Temporary board repairs may restore operation briefly, but the likelihood of a repeat fault remains high once the underlying circuitry is compromised. <\/p>\n

        Modern control modules are complex and integrated with security and immobilizer systems. That\u2019s why choosing a replacement isn\u2019t only about the hardware\u2014it’s about correct programming and compatibility. Flagship One<\/strong> specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive solution backed by warranty. Their units are pre\u2011programmed to the exact specifications of your vehicle\u2019s build date and software version, eliminating the need for on\u2011site coding and reducing installation time. <\/p>\n

        Replacing the ECM with a Flagship One unit ensures that the knock\u2011sensor thresholds are calibrated correctly, that all communication networks are properly synchronized, and that the module passes all manufacturer\u2011required security checks. This approach minimizes future diagnostics and restores full engine performance with confidence. <\/p>\n

        Preventive Maintenance <\/h4>\n
          \n
        • Regular Wiring Checks<\/strong> \u2013 During routine service, inspect the knock\u2011sensor harness for signs of wear, especially after coolant flushes or engine bay cleaning. <\/li>\n
        • Sensor Cleaning<\/strong> \u2013 Keep the sensor\u2019s mounting surface free of oil, carbon deposits, and coolant leaks; contaminants can alter signal amplitude. <\/li>\n
        • Software Updates<\/strong> \u2013 Follow the manufacturer\u2019s service bulletins for ECM calibration updates, especially after engine modifications or fuel\u2011type changes. <\/li>\n
        • Temperature Management<\/strong> \u2013 Excessive engine heat can degrade sensor and module components. Ensure the cooling system operates within normal temperature ranges (typically 190\u2011220 \u00b0F at operating load). <\/li>\n
        • Professional Scans<\/strong> \u2013 Use a dealer\u2011level scanner at least once a year to verify that all sensor thresholds remain within spec, catching drift before it triggers a fault. <\/li>\n<\/ul>\n

          By maintaining clean wiring, up\u2011to\u2011date software, and proper engine temperatures, you reduce the chance that the ECM will misinterpret normal vibration as a fault. <\/p>\n

          Frequently Asked Questions <\/h4>\n

          What does a flashing Check Engine Light mean when P2346 is present?<\/strong> <\/p>\n

          A flashing CEL indicates a severe misfire condition, which is rare for P2346 alone. If the light flashes, scan for additional misfire codes (P0300\u2011P0306). The flash usually signals that the engine is running in a condition that could cause damage, and immediate inspection of the ECM and sensor circuit is required. <\/p>\n

          How much does ECM replacement cost for a vehicle with P2346?<\/strong> <\/p>\n

          Hardware for a replacement ECM typically ranges from $600 to $900. Programming, bench testing, and VIN\u2011matching add $200\u2011$300. Labor varies by shop but generally falls between $100\u2011$150 for installation. Total expense is therefore $900\u2011$1,350. <\/p>\n

          Can I drive my vehicle with a steady Check Engine Light and P2346?<\/strong> <\/p>\n

          Driving with a persistent CEL is not advisable because the ECM may be operating in a protective mode that limits power output. While the vehicle may continue to run, performance loss and potential long\u2011term engine wear are possible. Schedule a diagnostic appointment promptly. <\/p>\n

          Is sensor replacement ever necessary for P2346?<\/strong> <\/p>\n

          A faulty knock sensor can generate the high\u2011voltage signal that triggers P2346, but the primary focus should be on confirming module integrity. If the sensor test shows out\u2011of\u2011spec resistance and the ECM passes all communication checks, sensor replacement may be warranted. However, most cases resolve after ECM reprogramming or replacement. <\/p>\n

          Will a VIN\u2011matched ECM from Flagship One work in my vehicle without dealer programming?<\/strong> <\/p>\n

          Yes. Flagship One\u2019s modules are pre\u2011programmed to the exact specifications of the vehicle\u2019s VIN, including security keys and calibration data. Installation is a plug\u2011and\u2011drive process, and the unit is covered by a limited warranty for added peace of mind. <\/p>\n

          Systematic diagnosis\u2014scanning codes, inspecting wiring, testing sensor voltage, and verifying ECM communication\u2014isolates the root cause of P2344. If the module shows internal faults or fails reprogramming, replacement with a VIN\u2011matched control unit restores proper knock\u2011sensor threshold monitoring and eliminates recurring faults. Proper preventive care and timely software updates keep the ECM operating within design parameters, ensuring reliable engine performance.<\/p>\n

          \n

          Service Recommendation:<\/strong> Most issues related to this fault are diagnosed and corrected through inspection, wiring repair, and calibration rather than module replacement. For modules not typically replaced through aftermarket suppliers, diagnosis and repair should be performed by a certified automotive technician with access to factory service information and tooling.<\/p>\n<\/div>\n

          \n

          Frequently Asked Questions<\/h2>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

          Knocking from cylinder 11 on your vehicle? The sensor\u2019s threshold is exceeded, risking engine damage\u2014run a module scan and reprogram or replace the sensor.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-518329","post","type-post","status-publish","format-standard","hentry","category-auto-news"],"acf":[],"yoast_head":"\nP2346 Code Symptoms, Causes, Diagnosis, Repair Steps & Costs - Flagship One Blog<\/title>\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.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2346 Code Symptoms, Causes, Diagnosis, Repair Steps & Costs - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Knocking from cylinder 11 on your vehicle? The sensor\u2019s threshold is exceeded, risking engine damage\u2014run a module scan and reprogram or replace the sensor.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/\" \/>\n<meta property=\"og:site_name\" content=\"Flagship One Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/flagshipone\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/flagshipone\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-10T22:52:45+00:00\" \/>\n<meta name=\"author\" content=\"FlagshipOne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:site\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"FlagshipOne\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"P2346 Code Symptoms, Causes, Diagnosis, Repair Steps & Costs\",\"datePublished\":\"2025-12-10T22:52:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\\\/\"},\"wordCount\":1496,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"articleSection\":[\"Auto News\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\\\/\",\"name\":\"P2346 Code Symptoms, Causes, Diagnosis, Repair Steps & Costs - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"datePublished\":\"2025-12-10T22:52:45+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P2346 Code Symptoms, Causes, Diagnosis, Repair Steps & Costs\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"name\":\"Flagship One Blog\",\"description\":\"Flagship One Inc. OEM Engine Computers Control Modules\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\",\"name\":\"Flagship One, Inc.\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/web-lg-fs1-logo.png\",\"contentUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/web-lg-fs1-logo.png\",\"width\":1341,\"height\":1098,\"caption\":\"Flagship One, Inc.\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/flagshipone\",\"https:\\\/\\\/x.com\\\/theflagshipone\",\"https:\\\/\\\/www.instagram.com\\\/flagship_one\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UC0oyKphffBM2qkJ-gKPmMXw\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\",\"name\":\"FlagshipOne\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"caption\":\"FlagshipOne\"},\"description\":\"The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.\",\"sameAs\":[\"https:\\\/\\\/www.fs1inc.com\\\/\",\"https:\\\/\\\/www.facebook.com\\\/flagshipone\\\/\",\"https:\\\/\\\/www.instagram.com\\\/flagship_one\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/fs1inc\"],\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/author\\\/flagship1inc\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"P2346 Code Symptoms, Causes, Diagnosis, Repair Steps & Costs - Flagship One Blog","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.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/","og_locale":"en_US","og_type":"article","og_title":"P2346 Code Symptoms, Causes, Diagnosis, Repair Steps & Costs - Flagship One Blog","og_description":"Knocking from cylinder 11 on your vehicle? The sensor\u2019s threshold is exceeded, risking engine damage\u2014run a module scan and reprogram or replace the sensor.","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-10T22:52:45+00:00","author":"FlagshipOne","twitter_card":"summary_large_image","twitter_creator":"@theflagshipone","twitter_site":"@theflagshipone","twitter_misc":{"Written by":"FlagshipOne","Est. reading time":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"P2346 Code Symptoms, Causes, Diagnosis, Repair Steps & Costs","datePublished":"2025-12-10T22:52:45+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/"},"wordCount":1496,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"articleSection":["Auto News"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/","name":"P2346 Code Symptoms, Causes, Diagnosis, Repair Steps & Costs - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"datePublished":"2025-12-10T22:52:45+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2346-cylinder-11-above-knockcombustion-vibration-sensor-threshold\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P2346 Code Symptoms, Causes, Diagnosis, Repair Steps & Costs"}]},{"@type":"WebSite","@id":"https:\/\/www.fs1inc.com\/blog\/#website","url":"https:\/\/www.fs1inc.com\/blog\/","name":"Flagship One Blog","description":"Flagship One Inc. OEM Engine Computers Control Modules","publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.fs1inc.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.fs1inc.com\/blog\/#organization","name":"Flagship One, Inc.","url":"https:\/\/www.fs1inc.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2019\/06\/web-lg-fs1-logo.png","contentUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2019\/06\/web-lg-fs1-logo.png","width":1341,"height":1098,"caption":"Flagship One, Inc."},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/flagshipone","https:\/\/x.com\/theflagshipone","https:\/\/www.instagram.com\/flagship_one","https:\/\/www.youtube.com\/channel\/UC0oyKphffBM2qkJ-gKPmMXw"]},{"@type":"Person","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700","name":"FlagshipOne","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","caption":"FlagshipOne"},"description":"The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.","sameAs":["https:\/\/www.fs1inc.com\/","https:\/\/www.facebook.com\/flagshipone\/","https:\/\/www.instagram.com\/flagship_one\/","https:\/\/www.linkedin.com\/company\/fs1inc"],"url":"https:\/\/www.fs1inc.com\/blog\/author\/flagship1inc\/"}]}},"_links":{"self":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/518329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/comments?post=518329"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/518329\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=518329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=518329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=518329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}