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1999 Pontiac Grand Prix GTP 3.8L MIL Lamp on
Good morning fellow techs. I have this car that will set these 4 codes what appears to be at the same time intermitantly. I have not been able to actually duplicate the same conditions, but the codes are in history with a service engine soon light today again ...
FIX posted 5/13/2004
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Related Documents & Media | VIN | 1G2WR5211X |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | Gtp |
Trouble Codes
| P0650 | Cylinder 2 Misfire |
| P1637 | TCM Internal - EEPROM Performance |
| P1653 | Fuel Level Output Control Circuit Malfunction |
| P1673 | Engine Coolant Over-Temperature Lamp Control Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
1999 Pontiac Grand Prix GTP
| VIN | 1G2WR5211X |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | Gtp |
Trouble Codes
| P0650 | Cylinder 2 Misfire |
| P1637 | TCM Internal - EEPROM Performance |
| P1653 | Fuel Level Output Control Circuit Malfunction |
| P1673 | Engine Coolant Over-Temperature Lamp Control Circuit Malfunction |
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