Cold Fast Idle Too High (MIL Works OK, No DTCs Set)

Cold fast idle too high (MIL works OK, no DTCs set)

Diagnostic Procedure:

1. Do the ECM idle learn procedure. ECM Idle Learn Procedure

2. Check the idle speed. Testing and Inspection

3. Adjust the throttle cable. Adjustments

4. Do the throttle position learning check. Testing and Inspection

Also check for:

- Intake air leaks