OBD II Fault Code

  • OBD II P228A

    OBD-II Code Fuel pressure control valve failure is defined as a Fuel Pressure Regulator 1 - Forced Engine Shutdown

    The engine computer (PCM) monitors fuel pressure when the key is turned off. Under normal conditions, the fuel pressure should drop a specified amount within a given time frame. If the fuel pressure does not drop, code P228A will be stored.

    Common Problems That Trigger the P228A Code

    • Fuel injection pump failure
    • Fuel pressure control valve failure
    • Fuel rail pressure sensor failure
    • Wiring issue

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