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1990 Cadillac DeVille 4.5L High Idle
Posted to GM Driveability on 5/17/2001 4 Replies

cadillac idles fine when sitting still, after a 2-3 ml. road test it will idle at 1300 rpm or 35 mph ,when coming to a stop it will idle down to normal within 1-2 seconds after your at a complete stop. i took notice it will only idle fast after trans has been ...

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car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5336L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / pfi
SymptomsHigh Idle
OccursHot, on Decel, Cruise, Idle
Message Closed

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5336L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / pfi
SymptomsHigh Idle
OccursHot, on Decel, Cruise, Idle