NJFBOA - Home of New Jersey's Camaros and Firebirds - high idle when warm...any ideas??

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sunjayz28

09-04-2007 12:35 PM

high idle when warm...any ideas??

This started happening recently, and happens only after driving around for a while. The car idles at around 2000-2200 rpms. When i'm driving, and shift into neutral, the rpms rise to around 2000-2200 range, and they're back down after a little while. My SES light is on due to a bad cat--could this cause the high-idle problem?

Its a stock 96 z28.

Predator86

09-04-2007 04:44 PM

I had the same issue with my car and it was a vacuum leak but im carbureted so i doubt u have the same problem.

And no i don't believe a bad cat could alter the idle.

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