It is ECM controlled But a rough idle is probably a bad fuel pressure regulator of clogged fuel filter. If the exaust smells rich its the regulator. Will also turn on P0172 and P0175 OBDII codes. Fuel system Rich on both banks.
What causes a car to idle good and run rough when you give it gas?
That is about your average idle RPM. It depends on what car you have and the age of your car. If it bothers you, i'd recommend going to a place that fixes cars.
Timing belt. misfiring engine
should be under a cover passenger side back of the car
change your fuel filter, it could be plugged.
Fast idle motor is not working. This is allowing the idle to fall below the threshold of what it should be when the A/C is on.
The car will idle rough and hesitate during acceleration.
Because the engine is running. Shut it off or give it gas and it will not idle.
Pontiac made the Firebird car. Pontiac started making the Firebird in 1967, and the latest model was produced in 2002.
When the ac is running the idle should be raised to compensate for the extra load. If the idle isn't rising then the car will cut off.
If the car is starving for fuel or air (low power at idle), the car will stall while turning.
it might be because the idle is low turn your idle up and it should stay running