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1990 Cadillac DeVille 4.5L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire
Posted to GM Driveability on 3/23/1999

vehicle runs perfect until an accessory of some type is turned on. Headlights, a.c, heater, any substantial electrical load. The car doesn't react right away, it takes a minute or so, then it will start to cut out, bog down, idle rough. As soon as the load...

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car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5335L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsCa emissions
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5335L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsCa emissions
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire
OccursIntermittently