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OBD II Fault Code

  • OBD II P02E8

    OBD-II Code Decreased engine performance is defined as a Diesel Intake Air Flow Position Sensor Circuit Low

    The volume of air going through the intake is controlled by the Intake Airflow Control Valve on the throttle body. The Intake Airflow Position Sensor tells the engine control module (PCM) the position of the Diesel Intake Airflow Control Valve. When the PCM detects a problem with this sensor or the circuit for the sensor, it will set code P02E8. This sensor is replaced as a unit with the throttle body and is not serviceable separately.

    Decreased engine performance Symptoms

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

    Common Problems That Trigger the P02E8 Code

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