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1991 Cadillac DeVille 4.9L Misfire, power loss
Posted to GM Driveability on 1/14/2011 18 Replies

Hello,

This Cadillac has a power loss under load and vehicle won't go over 40 MPH. When it was first brought into the shop we scope checked the ignition system and found that every other cylinder was generating a pattern that looked like a lean cylinder when ...

18 Replies Received (View Replies)

  Related Documents & Media  1991 Cadillac DeVille

 
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car Vehicle Data

1991 Cadillac DeVille

VIN 1G6CD53B2M
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
SymptomsMisfire, Power Loss
OccursAlways, Under Load, on Accel
Message Closed w/FIX

car Vehicle Data

1991 Cadillac DeVille

VIN 1G6CD53B2M
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
SymptomsMisfire, Power Loss
OccursAlways, Under Load, on Accel