Thread: How do i Adjust the butterfly after cleaning TB i have a high idle.

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  1. #1 How do i Adjust the butterfly after cleaning TB i have a high idle. 
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    So a few weeks ago I took my throttle body apart to clean it, nothing wrong just wanted to clean it, Well now, it idles way to high, (some times 3k-5k rpm) like the butterfly is not closing 100 percent perfect. What gives? How do I adjust the butterfly so I can get it closed?.. If I get out and push the throttle closed it will idle right, but it feels like im Barely moving it. I have took the two screws out flipped the plate, turned the plate nothing gives.. I just can’t get it to close 100 percent.

    It Closed fine be for what did i do!?
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  2. #2 Re: How do i Adjust the butterfly after cleaning TB i have a high idle. 
    GTX Level Member TEK310's Avatar
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    did you put a new tb gasket? vacuum leaks? hissing noises?

    did you mess with the idle screw your throttle cable rests on?
    2012 Competition Orange Boss 302 #1769 438rwhp 391rwtq
    intake - off road h pipe - e85 - tune
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  3. #3 Re: How do i Adjust the butterfly after cleaning TB i have a high idle. 
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    I figued it out and kind feel dumb cruise cable was out of its holder cusing it to hold the throttle in about 1/40th of an inch
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  4. #4 Re: How do i Adjust the butterfly after cleaning TB i have a high idle. 
    GrandPrix Junkie spazzz's Avatar
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    good thing you got it ,that woulda made for a nasty crunch from park into reverse or drive, let alone some crazy driving
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