Curb Idle Speed Check
CURB IDLE SPEED CHECK1. Before inspection and adjustment set vehicle in the following condition:
^ Engine coolant temperature: 80 - 90°C (176 - 203°F)
^ Light*, electric cooling fan and all accessories: OFF
^ Transaxle: P range
^ In vehicles for Canada, the headlight, tail light, etc. will remain lit even when the lighting switch is turned OFF but this is no problem.
2. Connect the scan tool to the data link connector.
3. Start the engine and run it at idle.
4. Run the engine at idle for 2 minutes.
5. Check the idle speed.
Curb idle speed: 750 ± 100 R/min
NOTE:
The idle speed is controlled automatically by the idle air control system.
If the idle speed is not within the standard value, inspect the MFI.