Idle Is Rough
- Check idle speed control solenoid.
- Check A/C load control solenoid.
- Check by-pass air control valve.
- Check throttle position switch.
- Check vane airflow meter.
- Check vane air temperature sensor.
- Check canister purge solenoid.
- Check engine cooling fan.
- Check headlight switch.
- Check blower control switch.
- Check A/C thermostatic switch.
- Check neutral safety switch.
- Check neutral gear switch or clutch engage switch.
- Check heated exhaust gas oxygen sensor.