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3.1 misfire
[2003 Buick Century Custom, Engine/Propulsion Waveform] misfire on cyl 4. Vehicle had intake gaskets replaced less than six months ago. The vacuum pocket told the story. [2003 Buick Century Custom, Engine/Propulsion Photo] Login to read more. ![]()
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| Engine | 3.1 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2003 Buick Century Custom 3.1L
| Engine | 3.1 L |
| Trans | 4-speed Automatic (Electronic) |

30 Replies Received
30 Replies Received