Incredible 2006 Mini Cooper S Check Engine Light Codes References. Web if your check engine light (cel) illuminates, it means the control system detected an issue or that anything was outside of typical operating parameters. Web loosen the nut on the negative terminal with a wrench and pull the negative connector away from the battery.

Web has happened to my '09 mcs twice this winter, the second occurrence the small check engine light in the speedometer stayed lit, after the problem resolved. It can be alarming seeing an engine warning appear on. Thanks for watching and motor on.