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mk3 fr smoking eco mode

  1. Interesting fault smokes when eco mode switches off help please. Updated.?

    Hi All just joined and first thread. I have a Leon fr 1.4 tsi 150 2016 mk3, put simply it switches to 2 cylinder mode fine but after a say 5 mins in this mode when switching back to 4 cylinders a noticeable puff of smoke is seen, but if switching back after running in 2 cylinder for a short time...