Rough/Unstable Idle or Stalls

1. Malfunctioning ECI system.
2. Malfunctioning idle switch.
3. Malfunctioning injector.
4. Disconnected or damaged vacuum hose.
5. Malfunctioning atmospheric pressure sensor.
6. Malfunctioning intake air temperature sensor.
7. Malfunctioning vehicle speed sensor.
8. Malfunctioning a/c switch or inhibitor switch.
9. Malfunctioning ISC servo.
10. Improper fuel pressure.
11. Broken, shorted or improperly secured harness connector.
12. Damaged resistor.
13. Malfunctioning engine coolant temperature sensor.
14. Malfunctioning air flow sensor.
15. Malfunctioning engine speed sensor.
16. Malfunctioning motor position sensor.