idling too high and having trouble starting in the cold

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Jun 22, 2014 | 09:16 PM

mene0013

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idling too high and having trouble starting in the cold

My car has trouble starting in the cold or after sitting for some time. When the engine gets warm it idles too high. In park in idles at 1100-1300 RPM.

Anyone know what the problem might be?

thanks,

Roberto

Jun 22, 2014 | 09:16 PM

mene0013

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Joined: Jun 2010

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Re: idling too high and having trouble starting in the cold

Car is an 88 GTA with the 5.7L which is stock.

Jun 23, 2014 | 08:27 AM

Bob88GTA

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From: Huntsville AL

Car: 88GTA

Engine: 5.7TPI

Transmission: Auto

Axle/Gears: 3.27

Re: idling too high and having trouble starting in the cold

Did you check pull/your IAC (Idle Air Control ) valve and TPS (Throttle Positioning Sensor) Settings? The IAC gets pretty carbon-ed up.
Do a search on here for the setting procedure for all this and folLow it to a T.

Your IAC is most likely sticking