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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

funky idle...please help

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Old 04-08-2007, 05:56 PM
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Default funky idle...please help
Okay...my car have very weird idle problem...on cold days on a cold start the car will not idle at all...when the car warms up it idles at 1500 rpms...on hot days on a cold start it will idle at 1000rpms and drop to about 6 or 700 then after it warms up it will climb back up to 1500 rpms...i just cant figure out why its so high...any help is appreciated... thanks alot.
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Old 04-08-2007, 09:41 PM
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what kind of throttle body do you have?
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Old 04-09-2007, 12:36 AM
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My car does that, I just thought that was normal on my new engine.
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Old 04-09-2007, 08:36 PM
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its the factory throttle body...nothing performance wise has been done to the car.
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Old 04-10-2007, 07:09 AM
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sounds like it might be the IAC valve
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Old 04-10-2007, 12:04 PM
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thats kinda what i was thinking but i wasnt sure.
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