Where is the fuel idle control valve for a 2002 Pontiac Sunfire
At or around 1,000 RPM.
The correct idle speed is 1RPM x4.2-7.888
There is an adjustment screw on the side of the throttle body that adjusts how open the throttle body sits.
At idle: 13-20 psi Key on engine off: 23-31 psi
May be idle position sensor.
First make sure all spark plugs are in good shape; check the IDLE CONTROL VALVE maybe need to be clean or better yet replace.
Idle speed is not adjustable. The computer controls the speed with the idle air control motor on the back of the throttle body.
Could be a clogged radiator Could be water pump is not circulating coolant
There is a idle screw on the throttle linkage on the carb that you can turn to increase the idle speed and then hook up your timing light to check the timing.
The idle speed on a 1996 Honda Civic is adjusted using an IACV. The IACV, or idle air control valve, lowers and raises the idle by either being tighten or loosen.
750 to 800