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Our automotive experts have put together the following information about the P02EF diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P02EF code.

OBD II Fault Code

  • OBD II P02EF

    OBD-II Code Decreased engine performance is defined as a Cylinder 2 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 two, it will set code P02EF.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Increased fuel consumption

    Common Problems That Trigger the P02EF Code

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

    Common Repairs Needed for the P02EF Code

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