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1995 Pontiac Grand Prix SE 3.1L MIL Lamp on
Changed EGR valve assembly; Code 77 still exists. Do you think it's the computer and if so, and should I change the EGR valve & the computer?
FIX posted 5/22/1999
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| VIN | 1G2WJ52M9S |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | Not OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 77 | EGR 3 Solonoid error |
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Vehicle Data
1995 Pontiac Grand Prix SE
| VIN | 1G2WJ52M9S |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | Not OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 77 | EGR 3 Solonoid error |
Video