Yes, There is a screw on the carburetor or throttle-body that controls idle speed.
When the idle goes rough, you must idle the plugs. Else the car plugs roughly.
Rephrase, Idle air control, idle circuit carburetor or
The car was staying idle.
Check for vac. leaks, possibly the vac hose on the cruise switch at the brake pedal.
Check your idle, your idle might be too low so it is stalling your car.
When the TPS sensor is disconnected from the car in idle, there would be delayed acceleration.
No, that has nothing to do with idle speed.
I let my car idle for 10 minutes.
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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.
Idle speed is not adjustable on this car.
Check the idle, crankshaft and camshaft sensors.