Close

OBD II Fault Code

  • OBD II P0278

    OBD-II Code Decreased engine performance is defined as a Cylinder 6 Contribution/Balance

    When the engine control module (PCM) detects that cylinder 6 is not sufficiently contributing to keeping the engine running properly, it will set code P0278.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Increased fuel consumption

    Common Problems That Trigger the P0278 Code

    • Fuel injector failure
    • Internal engine failure
    • Powertrain Control Module (PCM) software needs to be updated
    • Wiring issue

    Common Repairs Needed for the P0278 Code

    Not the OBD-II Code You're Looking For?

    No comments yet...

    Sign in to comment