Idle Speed Too High
POOR IDLING / HIGH IDLE SPEEDCheck in the order shown
1. Accelerator pedal link.
2. Engine coolant temperature sensor circuit.
3. Idle speed control motor.
4. Intake air temperature sensor circuit.
5. [1][2]Throttle position sensor circuit.
6. Air conditioning circuit.
7. Injectors.
8. Engine control module.