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1990 Cadillac DeVille 4.5L Misfire
Posted to GM Driveability on 6/6/2001 5 Replies

customer niticed roughness, figure a tune-up was needed we preformed a typical tune - up the car run great , then intermitently missed. rerun on analyzer and miss fires on two cylinders showed. replaced spark plugs on these two cyl. run ok for road trip then i...

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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 / PORT INJ
EmissionsUS FED
SymptomsMisfire
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD533XL
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PORT INJ
EmissionsUS FED
SymptomsMisfire
OccursIntermittently