1990 Cadillac DeVille 4.5L Excessive Emissions
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...
FIX posted 11/13/2010
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Message Closed w/FIX
Vehicle Data1990 Cadillac DeVille
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Message Closed w/FIX
Vehicle Data
1990 Cadillac DeVille
VIN | 1G6CD5338L |
Engine | 4.5 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | Fuel Injection / sefi |
Emissions | cali |
Symptoms | Excessive Emissions |