Incorrect Idle Speed
INCORRECT IDLE SPEEDCheck In Order Shown:
Warm Engine
1. Engine coolant temperature sensor.
2. Closed throttle position switch.
3. Air conditioning switch and A/C compressor clutch relay.
4. Idle speed control motor.
Cold Engine
1. Engine coolant temperature sensor.
2. Closed throttle position switch.
3. Idle speed control motor.