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1994 Cadillac DeVille Concours 4.6L Vibration in Engine
Posted to GM Driveability on 12/12/2001 5 Replies

There is a vibration in the engine when lockup engages. kind of like a skip but it is constant and makes you think of an out of round tire. If we disconnect the EGR it won't do it. Most noticeable at 45 to 50 mph. Found a bulletin which describes this but is a...

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Message Closed w/Summary

car Vehicle Data

1994 Cadillac DeVille Concours

VIN 1G6KF52Y8R
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsFED
SymptomsVibration in Engine
OccursUnder Load, on Accel, Cruise
Message Closed w/Summary

car Vehicle Data

1994 Cadillac DeVille Concours

VIN 1G6KF52Y8R
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsFED
SymptomsVibration in Engine
OccursUnder Load, on Accel, Cruise