Surging on accelerating

Discussion in 'Hyundai Tucson' started by popdadicu812, Jul 4, 2019.

  1. popdadicu812

    popdadicu812

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    Driving along and engine began to lose power.then rev up then down.had codes read o2 sensors ,throttle position sensor, maf sensor, fuel trim bank from bank1&2 multiple misfires .now here's the caught engine runs fine at idle only when reved up does surge happen had tuneup ,tps,mag sensor replaced 4 months ago. Need help to fix diy
     
    popdadicu812, Jul 4, 2019
    #1
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  2. popdadicu812

    avisitor

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    I would try cleaning the Idle air control valve and throttle plate.
     
    avisitor, Jul 4, 2019
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