Idle Learn Procedure
WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
When Powertrain Control Module (PCM) or battery are disconnected, PCM loses power, or PCM is reprogrammed, PCM learned idle position is lost. When learned idle position is lost, engine idle will be unstable.
- Start and idle the engine for 15 seconds.
- Turn the ignition switch to the LOCK/OFF position.
- Wait 15 seconds.
- Restart the engine and check for proper idle operation.