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OBD II Fault Code

  • OBD II P02DF

    OBD-II Code Decreased engine performance is defined as a Cylinder 10 Fuel Injector Offset Learning At Max Limit

    The engine control module (PCM) uses multiple sensors to determine the required amount of fuel needed to keep the engine running efficiently. If the PCM cannot achieve the desired balance between fuel and air, it will set code P02DF.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Increased fuel consumption

    Common Problems That Trigger the P02DF Code

    • Damaged or contaminated spark plug
    • Engine sensor failure
    • Exhaust leak
    • Fuel injector failure
    • Powertrain Control Module (PCM) software needs to be updated

    Common Repairs Needed for the P02DF Code

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