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2008 Pontiac Grand Prix 3.8L Misfire
I have a misfire on cylinder #6 at idle, goes away with RPM increase. Have tried new fuel injector, car has new plugs and wires on it and have swapped #6 with a different cylinder and no change. Replace lower intake gaskets, checked for vacuum leaks, none foun...
Summary posted 5/6/2015
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Related Documents & Media | VIN | 2G2WP55288 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/Summary
Vehicle Data
2008 Pontiac Grand Prix
| VIN | 2G2WP55288 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
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