Correctly setting your idle speed 1980 - 1988
From the AMC Technical Service Bulletin 12E460
The idle speed may be too low or inconsistent on your 1980 - 1988 Eagle automobile. If this condition exists, the following items must be adjusted to obtain proper engine operation.
Fast Idle Speed
Curb Idle Speed
Sole-Vac Throttle Postioner
Adjustment is as Follows:
1. The engine must be at operating temperature and all electrical accessory switches in the OFF position.