I had the same problem at one point as well. Replacing the IAC (Idle Air Controller) did the trick.
1998 Contour SVT
Toreador Red/Midnight Blue
3090/6535
1999 Contour SVT
Black/Prairie Tan
18/2760
1992 Dodge Stealth R/T TT
Metallic Beige/Tan
1989 Chrysler Conquest TSi
Red/Black Leather
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