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Our automotive experts have put together the following information about the P02ED 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 P02ED code.

OBD II Fault Code

  • OBD II P02ED

    OBD-II Code Decreased engine performance is defined as a Diesel Intake Air Flow Control System - Low Air Flow Detected

    The volume of air going through the intake is controlled by the Intake Airflow Control Valve on the throttle body. If the engine control module (PCM) determines there is not enough airflow through the Intake Airflow Control Valve, the PCM will set code P02ED.Failure of the Intake Airflow Control Valve may require replacement of the throttle body assembly, as it is not always serviceable separately.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Engine may stall
    • Increased fuel consumption

    Common Problems That Trigger the P02ED Code

    • Powertrain Control Module (PCM) failure
    • Throttle body assembly failure
    • Wiring issue
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