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Our automotive experts have put together the following information about the P0628 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 P0628 code.

OBD II Fault Code

  • OBD II P0628

    OBD-II Code Decreased engine performance is defined as a Fuel Pump "A" Control Circuit Low

    The Fuel Pump enables the transfer of fuel from the tank to the fuel injectors. If the engine control module (PCM) detects the fuel pump is not operating properly, the PCM will set code P0628.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Engine may not start

    Common Problems That Trigger the P0628 Code

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

    Common Repairs Needed for the P0628 Code

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