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What Does P0252 Code Mean?

    OBD-II Code P0252 is defined as a Injection Pump Fuel Metering Control "A" Range/Performance

    The Fuel Injection Pump supplies high pressure fuel to the fuel injectors. Output pressure from this pump is controlled by the Fuel Pump Control Actuator. When the engine control module (PCM) detects an incorrect signal from the Fuel Injection Pump Actuator, the PCM sets code P0252.

    P0252 Symptoms

    • Decreased engine performance
    • Engine may stall

    Common Problems That Trigger the P0252 Code

    • Fuel injection pump actuator failure
    • Fuel injection pump failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue

    Common Repairs Needed for the P0252 Code

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