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OBD II Fault Code

  • OBD II P029C

    OBD-II Code Decreased engine performance is defined as a Cylinder 1 - Injector Restricted

    The engine control module uses a fuel pressure sensor to determine the amount of fuel pressure in the fuel rail. If the pressure does not change the way the PCM thinks it should, the PCM will set code P029C.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Increased fuel consumption

    Common Problems That Trigger the P029C Code

    • Fuel injector failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue

    Common Repairs Needed for the P029C Code

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