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OBD II Fault Code

  • OBD II P02F4

    OBD-II Code Decreased engine performance is defined as a Cylinder 7 Injector Circuit Range/Performance

    The engine control module (PCM) has special transistors called "drivers" to turn the Fuel Injectors on and off in the Fuel Injection System. If the PCM cannot control the fuel injector for cylinder number seven, it will set code P02F4.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Increased fuel consumption

    Common Problems That Trigger the P02F4 Code

    • Fuel injection control module (FICM) failure
    • Fuel injector failure
    • Wiring issue

    Common Repairs Needed for the P02F4 Code

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