
1995 Chevrolet C2500 Suburban 7.4L Excessive Emissions
Hello GM techs. I have this Surburban that failed smog as a gross polluter for NOx. I found no misfires and the vehicle runs very smooth. I did replace the wires because one broke when I removed it for cat testing. I determined the cat wasn't retaining oxygen ...
FIX posted 12/16/2004
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VIN | 1GNGC26N9S |
Engine | 7.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / TBI |
Emissions | Not OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | Always |
Message Closed w/FIX
Vehicle Data
1995 Chevrolet C2500 Suburban
VIN | 1GNGC26N9S |
Engine | 7.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / TBI |
Emissions | Not OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | Always |