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1994 Pontiac Grand Prix SE 3.1L Misfire
This one came in with miss. Found 3 bad plug wires. We replaced the set. Car runs much better but has a slight miss in high gear after converter lockup (50mph). Owner replaced plugs which we rechecked. No change when EGR and IAC are disconnected. Coils and inj...
FIX posted 7/24/1998
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| VIN | 1G2WJ52M3R |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD1 |
| Symptoms | Misfire |
| Occurs | Above 50 - Slight Acceleration |
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Vehicle Data
1994 Pontiac Grand Prix SE
| VIN | 1G2WJ52M3R |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD1 |
| Symptoms | Misfire |
| Occurs | Above 50 - Slight Acceleration |
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