Question about 1995 Pontiac Firebird
How can I adjust the idle? The car runs fine, just seems to idle about 1 or 2 hundered rpms too slow. thanks
The idle speed is not adjustable, it is computer (PCM) controlled, you can turn the screw for the hard stop, but the computer will just over ride that adjustment for the most part, what I think you may need to do is clean the throttle valve and the idle speed control air bypass valve, use carb spray, spray it in the intake with the engine running use the at least 1/2 the can, the engine will try to stall, keep it running, after you are done disconnect the battery for 10 minutes, reconnect and drive a few days so the computer (PCM) can relearn your driving habits and set the idle correctly based on your driving.
Posted on Oct 16, 2008
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Posted on Jan 02, 2017
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