eratic idle

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06-17-2008, 01:19 PM

andy28

Newbie

Thread Starter

Join Date: Jun 2008

Posts: 1

eratic idle

after the engine warms up sometimes the revs jump without me pushing the pedal ...why?

06-28-2008, 10:24 AM

93Z28joel

1st Gear Member

Join Date: Jul 2007

Location:

Posts: 197

RE: eratic idle

TPS sencer?? if you hit the gas and let off right away will it almost die?
it may also be your opti spark.

is your ses light on.

06-28-2008, 11:07 PM

z28pete

Tech Droid

Join Date: Aug 2005

Location: North East PA

Posts: 9,215

RE: eratic idle

TPS and also the IAC valve. This is a common problem and is sometimes cleared up with a good tune up, such as plugs and plug wires. Last resort, new Opti.

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