OBD II Fault Code

  • OBD II P2289

    OBD-II Code Engine may not start is defined as a Injector Control Pressure Too High - Engine Off

    Some diesel engines use high pressure oil to control the fuel injectors on the diesel engine. The Injector Pressure Regulator (IPR) regulates the oil pressure going to the injectors. The Injector Control Pressure (ICP) Sensor monitors the oil pressure produced by the high pressure oil pump. If the ICP sends back an implausible signal, code P2289 will be set. The engine will not start.

    Engine may not start Symptoms

    • Engine may not start

    Common Problems That Trigger the P2289 Code

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

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