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1998 Cadillac DeVille 4.6L Misfire
Posted to GM Driveability on 3/4/2005 14 Replies

misfire under load. No.5&6 cyl. no [...] new plugs and wires. We tried a new module and coils but no help. Injectors ohm good , cant find any vacuum leaks. I swapped plugs & wires with other cylinders but it stays with 5&6. the problem has been presant for abo...

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car Vehicle Data

1998 Cadillac DeVille

VIN [No VIN Available]
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load
Message Closed

car Vehicle Data

1998 Cadillac DeVille

VIN [No VIN Available]
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load