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1995 Pontiac Grand Prix SE 3.1L MIL Lamp on, CODE 77
Hello to all Technitians. I have a little problem. This vehicle came in with mil on. no other complaint. Codes 75,76 and 77 were stored in memory. Codes were cleared and vehicle was test driven. Codes reappeared. Cleaned ports in intake manifold. cleared codes...
FIX posted 2/22/2001
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| VIN | 1G2WJ52M85 |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SFI |
| Emissions | Not OBD-II Compliant |
| Symptoms | MIL Lamp on, Code 77 |
| Occurs | Cruise |
Trouble Codes
| 77 | egr solenoid error |
Message Closed w/FIX
Vehicle Data
1995 Pontiac Grand Prix SE
| VIN | 1G2WJ52M85 |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SFI |
| Emissions | Not OBD-II Compliant |
| Symptoms | MIL Lamp on, Code 77 |
| Occurs | Cruise |
Trouble Codes
| 77 | egr solenoid error |
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