2002 xg350 update

Discussion in 'Hyundai Grandeur / Azera / XG' started by olddoug, Sep 5, 2017.

  1. olddoug


    Sep 4, 2017
    Likes Received:
    I back-probed the sensors.
    While driving with a multimeter on the wiper i read the MAF sensor voltage, got 1.5 at idle, 3.1 with pedal about 1/4th down,
    and got 3.5 at wide open throttle.
    Also checked the IAT the same way and got 1.5 at idle, 1.6 cruising, and 1.8 accelerating at about 83 degrees ambient.
    The engine will rev over 3000, just takes a while.
    Rev's up easier in 1st.
    It sort of sounds like a bell ringing if i rev it high in 1st gear.
    olddoug, Sep 5, 2017
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