Probable Cause
WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
Malfunction is detected when idle speed is more than the target idle speed by more than 200 RPM. Possible causes are:
- Electric throttle control actuator circuit open or shorted.
- PCV system leak.
- Intake air leak.