revving problem

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Mar 18, 2009 | 03:39 PM

skinsnfishn

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1st Gear

Joined: Mar 2009

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revving problem

I have a 1999 cl 3.0 that has a problem maintaining a constant RPM. Goes up and down every other second. I've heard about a bad TPS or throttle body and/or throttle body gasket. Any Ideas what the cause could be?

Mar 18, 2009 | 04:17 PM

aznboi2424

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From: Elk Grove, CA

You have a 1G CL. This is the 2G CL part of the website.

but to help, it sounds like you might have a vacuum leak somewhere.

Mar 18, 2009 | 04:21 PM

fuzzy02CLS

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From: South FL

moved

Mar 18, 2009 | 05:54 PM

OttaWacK

less n00bin more g00glin

Joined: Sep 2008

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From: Ottawa, Ontario, Canada

Sounds like Idle Air Control Valve (IACV), could be fouled and sticking.

Search for IACV in the first gen forum and you will find a DIY somewhere to clean yourself, or get dealer to perform that for you.