OBD II Fault Code

  • OBD II P0148

    OBD-II Code Decreased engine performance is defined as a Fuel Delivery Error

    The engine control module (PCM) uses a Fuel Rail Pressure Sensor to determine the amount of fuel going to the injectors. If the PCM does not see that the commanded pressure is equal to the actual pressure, the PCM will set code P0148.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Increased fuel consumption

    Common Problems That Trigger the P0148 Code

    • Air in the fuel system
    • Fuel pump failure
    • Leaking fuel lines

    Common Repairs Needed for the P0148 Code

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

    No comments yet…

    Sign in to comment