on December 22, 2016, 12:10 pm, in reply to "Mini Cooper S-Poor idle (Lean) No fault codes"
A 4 gas check will confirm that it is in fact running lean. As it appears to be ok at speed, this would point toward an air leak. As a starter, I would spray Easy Start or something similar around the inlet manifold, vac pipes including brake servo to see if that throws up the answer.
Regards
Pete M
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Mini Cooper S 1.6 2007 - Poor idle (Lean) No fault codes - Fixed # - Paul Howd December 22, 2016, 10:52 am
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