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International Automotive Technicians Network
1991 Cadillac DeVille 4.9L Slow Idle Return
Posted to GM Driveability on 5/1/2003 8 Replies

hello techs, this caddy will not idle down untill almost a complete stop with brake on . starts good fast idles , seems like real slow stepper motor. when disconnected will work good, but no fast idle when cold . customer not happy with that idea. any help on ...

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  Related Documents & Media  1991 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1991 Cadillac DeVille

VIN 1G6CD53B5M
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsSlow Idle Return
OccursSlow Idle Return
Misc.Fwd
Message Closed w/FIX

car Vehicle Data

1991 Cadillac DeVille

VIN 1G6CD53B5M
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsSlow Idle Return
OccursSlow Idle Return
Misc.Fwd