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Thread: Need Help Urgent

  1. #1

    Default Need Help Urgent

    Hey
    I have a 4age in my ke70 and it idles high and when it warms up it revs up and down constantly inbetween 1k and 2k rpm. I unplug the map sensor and it idles high but not up and down anymore. I have tried a new map sensor still didnt work. Does anyone have any ideas? much appreciated

    Mick

  2. #2
    Veteran biggo's Avatar
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    Name
    Nick
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    ve a vaccume leak or your tps is not set proper. Try them first.
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  3. #3
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    Blake
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    I had a similar thing happen to mine.
    If it is a bigport, once it gets up to temperature there is a fuel cut around 2000rpm for when the throttle is closed. if you drop the idle enough so that the warm idle is below this then it shouldn't do it.

  4. #4

    Default

    Thanks for the replys i was thinking it was an air leak and the TPS has a mark on it so I would say previous owner messed with it. I will go out and have a sus.

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