P1239 isuzu rodeo 2004

Discussion in 'Auto Repair' started by fault code, Jun 15, 2017.

  1. fault code

    fault code Administrator Staff Member

    May 11, 2017
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    Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc. The throttle position sensor responds to the throttle valve movement.

    Could be caused by one of the following below

    Oxygen sensor.
    Catalytic converter.
    Fuel injectors dirty/sticking.
    Mass airflow sensor/Airflow meter.
    Throttle position sensor.
    Crankshaft position sensor
    Knock sensor
    Manifold absolute pressure sensor.
    EGR Valve
    Fuel pressure regulator leaking or defective fuel pump.
    Fuel contamination.
    Foul/defective spark plugs.
    Open spark plug wires.
    Ignition coil/Coil packs defective.
    Incorrect ignition timing.
    Cap and rotor.

    Note:If it doesn't apply disregard it and keep testing.

    Possible causes
    • Faulty Electric Throttle Control Actuator (TP sensor 1 and 2)
    • Electric Throttle Control Actuator harness is open or shorted
    • Electric Throttle Control Actuator circuit poor electrical connection

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