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tbi idle issue help

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Old 03-03-2013, 03:50 PM
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Car: 88 IROC Camaro
Engine: 305 TBI
Transmission: 700R4
tbi idle issue help

i got a 88 iroc and when its cold the throttle seems to rev up like im pressing the gas but im not only does it like once a month any ideas? i just cut it off when its gets really high then works fine
Old 03-03-2013, 04:23 PM
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Re: tbi idle issue help

You might have an iac valve thats going bad, a sticky tps, or a vacuum leak(tbi base gaskets go bad, common).
Old 03-03-2013, 05:09 PM
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Car: 88 IROC Camaro
Engine: 305 TBI
Transmission: 700R4
Re: tbi idle issue help

thanks man gives me a starting point
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