Mini TSB #M120210
2011 Mini Cooper S Clubman
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- "Cooper S with N14: Diagnosis for Misfire Faults. The Service Engine Soon (MIL) lamp is illuminated and/or the customer complains that the engine runs rough (engine cold or warm) with any of the following misfire faults stored in the DME: ??2771, 2772, 2773, 2775, 2776, 2777, 2779, 277A, 277B, 277D, 277E, 277F - ""Combustion misfire, cylinder 1..4"", sometimes together with: ??2781, 2782, 2783 - ""Combustion misfire, multiple cylinders"" On rare occasions, the Service Engine Soon lamp may not be illuminated (with misfire faults still stored in the DME) when the vehicle is brought to the workshop. Multiple causes related to electrical and mechanical engine components, or poor fuel quality in combination with unfavorable driving behavior (low loads and short driving distances). This condition may lead to possible clogging of the injector tips, causing a disturbance of the fuel spraying pattern or excessive carbon deposits on the intake valves/ports, resulting in reduced air flow into the combustion chambers."
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