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2002 Pontiac Grand Prix GTP 3.8L EGR Low Efficincy
OK i have a 2002 grand prix s/c. i have been working on this vehicle for a couple of weeks. I have replaced the egr valve and the cleaned the passages. the map sensor is changing with the rpm changes. the exhaust is factory with no damage. we have reset the ec...
FIX posted 4/3/2008
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Related Documents & Media | VIN | 1G2WR52132 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | EGR Low Efficincy |
| Occurs | Always |
Trouble Codes
| P0401 | EGR System Insufficient Flow Detected |
Message Closed w/FIX
Vehicle Data
2002 Pontiac Grand Prix GTP
| VIN | 1G2WR52132 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | EGR Low Efficincy |
| Occurs | Always |
Trouble Codes
| P0401 | EGR System Insufficient Flow Detected |
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