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1998 Pontiac Grand Prix GT 3.8L MIL Lamp on
greetings to all I HAVE THIS PONTIAC SETTING A LEAN CODE I STARTED WITH BASIC CHECKS I CLEANED MASS AIR FLOW,SMOKED TESTED THE ENGINE TWICE,CHECKED FUEL PRESSURE AT IDLE 50 PSI AND I ALSO DROVE IT 40 MILES WITH NO FUEL PRESSURE DROP. THE O2 SENSOR IS SWITCHING...
FIX posted 9/9/2008
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Message Closed w/FIX
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Related Documents & Media | VIN | 1G2WP12K8W |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / mpi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
1998 Pontiac Grand Prix GT
| VIN | 1G2WP12K8W |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / mpi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Video