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1998 Pontiac Grand Prix GT 3.8L Excessive Emissions
Vehicle failed an emission test. High CO and HC readings at idle. The pre-cat O2 sensor remains high voltage at a stop after a cruise. Installed new spark plugs and wires and replaced the O2 sensor. The new one does the exact same thing, it stays high voltage ...
FIX posted 11/26/2009
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Message Closed w/FIX
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Related Documents & Media | VIN | 1G2WP52K3W |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Idle |
Message Closed w/FIX
Vehicle Data
1998 Pontiac Grand Prix GT
| VIN | 1G2WP52K3W |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Idle |
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