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OBD II Fault Code

  • OBD II P008B

    OBD-II Code Decreased engine performance is defined as a Low Pressure Fuel System Pressure - Too High

    When the engine control module (PCM) detects the fuel pressure is too high, the PCM will set code P008B.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Increased fuel consumption

    Common Problems That Trigger the P008B Code

    • Fuel pressure regulator failure
    • Fuel pump failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue

    Common Repairs Needed for the P008B Code

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