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1990 Cadillac DeVille 4.5L Excessive Emissions
Posted to GM Driveability on 11/11/2010 10 Replies

also at 25mph fails at 1001 nox,hc @22,co @.00,co2 @14.6,O2 @.[...] egr disconnected nox will go up to [...] is [...] cat test so replaced cat with no change to nox.o2 at idle switching from .2-.[...] repairs i reset fuel [...] varies from [...] is in close lo...

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  Related Documents & Media  1990 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5338L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / sefi
Emissionscali
SymptomsExcessive Emissions
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5338L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / sefi
Emissionscali
SymptomsExcessive Emissions