check your radiator hoses to make sure theres no leak, you may need to flush ur engine and replace the freeze plugs
Where is the fuel idle control valve for a 2002 Pontiac Sunfire
The idle air control valve on a 2002 Pontiac Bonneville is located on the intake manifold. This valve allows direct adjustment to the engines idle system.
make sure your electric cooling fan is working when the air is turned on.
i believe so and i think its called a Idle Air Control Valve
Idle is controlled by the ECM (computer). Not adjustable. check sensors
did you find a solution yet
to the right
Where is idle air control valve located on 2003 Pontiac Grand Prix GT, 3.8 liter 6 cylinder?
yes mine had a really rough idle and it turns out the motor mount needed replacing
At or around 1,000 RPM.
Pontiac 1993 vehicles have been known to have Fuel Pressure Regulators that when they fail, they will release too much fuel to the intake and therefore produce erratic or Idle up and down. Also, the erratic Idle can be caused by a air pressure leak located as part of the Emissions system.
possibly idle air control vault getting faulty or restricted air flow