
1998 Cadillac Catera 3.0L Excessive Emissions
Vehicle is failing for high nox, allowed is 400 and 687 at 15 + 25 mph on dyno, o2 sensors switching fine, engine temp in acceptable range, air injection system working properly, long term fuel trim +/- 1%, no vacuum leaks or false air leaks, we have replaced ...
FIX posted 4/11/2007
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VIN | W06V452R2W |
Engine | 3.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | Always |
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Vehicle Data
1998 Cadillac Catera
VIN | W06V452R2W |
Engine | 3.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | Always |