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1990 Cadillac DeVille 4.5L High Idle
Posted to GM Driveability on 4/8/2002 6 Replies

This vehicle came to me with an erratic engine miss. Replaced distributor to correct miss, finished out with a basic tune-up & throttle body cleaning. this is where our problem began. Now on start up the idle speed goes to 2500 rpm then slowly comes back down....

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  Related Documents & Media  1990 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD533XL
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsHigh Idle
OccursOn Decel, Idle
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD533XL
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsHigh Idle
OccursOn Decel, Idle