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1990 Cadillac DeVille 4.5L Excessive Emissions
Posted to GM Driveability on 5/15/2003 13 Replies

Greetings y'all. I need HELP. This Cadillac of mine won't pass emissions. Vehicle runs rich. Customer already replaced converter prior to my seeing it and while it cleaned it up the readings, it was not enough. I checked the 02 sensor and it's hovering around ...

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  Related Documents & Media  1990 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5331L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SEFI
EmissionsCALI EMISSIONS
SymptomsExcessive Emissions
OccursAlways
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5331L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SEFI
EmissionsCALI EMISSIONS
SymptomsExcessive Emissions
OccursAlways