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  1. #1

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    High idle after cleaning throttle body

    Anyone have a fix for high idle after cleaning the throttle body. I have tried several relearn procedures I found on the internet and none worked. I have an 05 ion with a 2.2 ecotec manual trans. Frustrated to hell and back.

  2. #2

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    no to sure on those engines but was the gasket in good nic it may be leaking.

  3. #3

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    Quote Originally Posted by heartfire567 View Post
    no to sure on those engines but was the gasket in good nic it may be leaking.
    Gaskets looked good, no trouble codes, good vacuum, seems to be a miscommunication in the drive by wire.

  4. #4

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    not to sound condescending but how high is it than noemal? a hundred a few? a thousand?

  5. #5

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    Quote Originally Posted by heartfire567 View Post
    not to sound condescending but how high is it than noemal? a hundred a few? a thousand?
    It idles at 1600 RPM or so in neutral and when driving as the clutch is depressed between gears, the RPMs surge instead of dropping. More annoying than all get out.

  6. #6

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    if its an electric throttle it may be some sort of feedback or something then if you can take the intake off before the throttle body and have someone else mess iwth the car while you watch it you can see if the problem lies there or somewher eelse though

  7. #7
    Resident Electromotive Expert importsdontlikeme's Avatar
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    You can always try spraying brake/carb cleaner around the throttle body gasket to see if you have a leak.


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  8. #8
    6S Resident Hasselhoff. alexofnazareth's Avatar
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    isn't brake clean bad for the TPS/IAC? As in it can damage them? Just going off of random things I have heard in the past.
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  9. #9
    Resident Electromotive Expert importsdontlikeme's Avatar
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    Probably but the TB gasket is below both of those components. Just a quick spray and listen for change in engine sound will determine if a vacuum leak.

    How did you clean the TB? Did you take it off and remove it? If so are you positive the gasket is installed correctly? This happened to RJ and I a few months ago when we reinstalled his TB and it was because the gasket wasn't lined up right and allowed air to enter below the plate in the TB


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  10. #10

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    Quote Originally Posted by heartfire567 View Post
    if its an electric throttle it may be some sort of feedback or something then if you can take the intake off before the throttle body and have someone else mess iwth the car while you watch it you can see if the problem lies there or somewher eelse though
    Thanks I've done that.

  11. #11

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    I didn't remove the TB, I opened the butterfly and swabbed it with carb clean, can check for leaks anyway. Thanks

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