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OBD II Fault Code

  • OBD II P018A

    OBD-II Code Decreased engine performance is defined as a Fuel Pressure Sensor "B" Circuit

    The Fuel Pressure Sensor monitors the fuel pressure in the fuel system. The Fuel Pump Control Module uses this information to adjust the fuel pump's on time as needed. If the Fuel Pump Control Module does not see a change in pressure from the Fuel Pressure Sensor when the fuel pump is activated, it will set code P018A.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Increased fuel consumption

    Common Problems That Trigger the P018A Code

    • Powertrain Control Module (PCM) failure
    • Pressure sensor failure
    • Wiring issue

    Common Repairs Needed for the P018A Code

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