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OBD II Fault Code

  • OBD II P033E

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Knock Sensor 4 Circuit Intermittent

    The knock sensor tells the engine control module (PCM) that the engine has an excessive vibration resulting from an incorrect fuel and air mixture. If the PCM does not receive a signal from the knock sensor, it will set code P033E. The check engine light may or may not be illuminated.

    Common Problems That Trigger the P033E Code

    • Knock sensor failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue

    Common Repairs Needed for the P033E Code

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