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Idle Issue???

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Old 04-12-2018, 09:55 PM
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Idle Issue???


What's up guys! Question here so I just bought my first 94 Z28 M4. ...so When I cold start it Idles at 1k then jumps up to about 1200-1300 Rpm as it warms up after 10-15 min. . What could be the problem? Vacume leak? Exhaust leak ?
please help out TIA!!

Last edited by 95Lt1805; 04-12-2018 at 09:58 PM.
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Old 04-13-2018, 04:48 PM
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Re: Idle Issue???

I would start off by checking TPS, IAC, and for vacuum leaks.
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Old 04-13-2018, 10:18 PM
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Re: Idle Issue???

A data log would allow you to see what's going on:

https://www.camaroz28.com/forums/com...95-lt1-874306/
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