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1992 Cadillac DeVille 4.9L Excessive Emissions
Posted to GM Driveability on 4/20/2006 14 Replies

Hello. We have a Cadillac De Ville in the shop which has not passed emissions tests due to high nox levels under load. Above readings also hint at very lean running conditions. Verified egr now works in reducing nox. Verified cat is also reducing well. Tried t...

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  Related Documents & Media  1992 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1992 Cadillac DeVille

VIN 1G6CD53B4N
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
Emissionsfederal
SymptomsExcessive Emissions
OccursUnder Load
Message Closed w/FIX

car Vehicle Data

1992 Cadillac DeVille

VIN 1G6CD53B4N
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
Emissionsfederal
SymptomsExcessive Emissions
OccursUnder Load