Rough Idle After Restarting When Hot

1. Defective ECU.
2. Vapor lock in fuel line or fuel injector.
3. Idle adjusting screw out of adjustment.
4. Open or shorted crank angle sensor circuit.
5. Defective crank angle sensor.
6. Open or shorted manifold air pressure sensor circuit.
7. Defective manifold air pressure sensor.
8. Broken or disconnected manifold air pressure sensor hose.
9. Defective EGR control system.