replace the ecm
Where is the idle speed motor located at on a 1995 chevy blazer?
Try replacing the idle air control valve (IAC)
idle speed for a 99 Tahoe
The idle air control valve on the Chevy Colorado actually controls the speed of your engine's idle. The valve is sometimes called the idle speed control valve.
Should be around 25-30 psi. 15-20 at idle speed in drive.
A 1998 Chevy Prism's idle speed is computer controlled. You will have to take it to a garage to get it set. However, the idle speed could be altered if, say, your spark plugs are seriously worn. Changing them may restore the original idle speed.
The idle speed on a 1987 Chevy Celebrity is controlled by the engine computer, there is no way provided to adjust it.
This vehicle is probably fuel injected, and there are no provisions for idle adjustment.
Could be the throttle position sensor
zero degrees top dead center with an idle speed of 5-10 mph