Rough Idle After Warm-Up

1. Defective ECU.
2. Open or shorted fuel injector circuit.
3. Stuck fuel injector.
4. Stuck air bypass valve in fast idle mechanism.
5. Open or shorted crank angle sensor circuit.
6. Defective crank angle sensor.
7. Open or shorted manifold air pressure sensor circuit.
8. Broken or disconnected manifold air pressure sensor hose.
9. Defective manifold air pressure sensor.
10. Defective idle control system solenoid valve.