What Does P2291 Code Mean?

    OBD-II Code P2291 is defined as a Injector Control Pressure Too Low - Engine Cranking

    The Injector Control Pressure Sensor (ICP) monitors the oil pressure that controls the fuel injectors. If the oil pressure is too low, the injectors will not operate correctly. The engine computer (PCM) monitors fuel pressure when the engine is running. If the oil pressure is too low, code P2291 will be stored.

    P2291 Symptoms

    • Engine may not start
    • Engine may stall

    Common Problems That Trigger the P2291 Code

    • Engine oil level is too low
    • High pressure oil pump failure
    • Injector Control Pressure (ICP) sensor failure
    • Wiring issue

    Common Repairs Needed for the P2291 Code

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