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1993 Cadillac DeVille 4.9L Poor Idle Quality, Misfire
Posted to GM Driveability on 6/10/2005 6 Replies

Customer complaint poor idle worse under load (when AC is on, in gear). Vehicle idle erractic misses at idle under load only when vehilce is warm. It takes up to 30 minutes to get the condition to to take place in the shop. On the road if driven for 5 minutes ...

6 Replies Received (View Replies)

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car Vehicle Data

1993 Cadillac DeVille

VIN 1G6CD35B7P
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / PFI
EmissionsCalf
SymptomsPoor Idle Quality, Misfire
OccursHot, Under Load, Idle
Message Closed

car Vehicle Data

1993 Cadillac DeVille

VIN 1G6CD35B7P
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / PFI
EmissionsCalf
SymptomsPoor Idle Quality, Misfire
OccursHot, Under Load, Idle