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Mini TSB #M110117
2016 Mini John Cooper Works
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- "? FAULT 118002 - MIXTURE TOO RICH SETS DURING WINTER WITH COLD AMBIENT TEMPERATURES What's New: ? In the Warranty Information section: defect code, labor operations and additional information are updated . The Service Engine Soon (MIL) light is on with the following fault stored in the DME. ? Fault: 118002 - Mixture too rich In the situation being described, the fault is only stored during the ""cold winter months along with the use of winter fuel."" Various other causes for a rich mixture fault are possible and should not be overlooked. CAUSE ? DME software diagnostic is too sensitive ? This situation is most likely to occur if the driving profile is one of frequent cold engine starts and/or primarily short distance trips (idle / low load operation) where full engine operating temperature is not reached. ? Due to the lower engine oil temperatures crankcase vapors that contain a higher fuel content are not completely drawn off via the crankcase ventilation system. ? A false DME adaptation routine could then lead to this fault being set."
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