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1999 Buick Century Custom 3.1L Poor Idle Quality, Surge, Misfire, MIL Lamp on
Hi Techs. This car came in with a coolant leak at rear of intake manifold. I replaced the intake and plenum gaskets. It started and ran fine. I let it run till the fans went on, checked for leaks, all was well. After the weekend, I started it and it ran fine. ...
FIX posted 11/25/2003
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14 Replies Received
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Related Documents & Media | VIN | [No VIN Available] |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On |
| Occurs | Always, Hot, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
1999 Buick Century Custom
| VIN | [No VIN Available] |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On |
| Occurs | Always, Hot, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video