GLK 320 CDI idle issues

Discussion in 'GLK-Class' started by Alexandre Perentes, Jan 4, 2017.

  1. Alexandre Perentes

    Alexandre Perentes New Member


    I have a GLK 320 CDI (EU version), engine code 642.961.
    From time to time i have a high idle (1000 rpm), independently of the engine temperature. This can happen as well at start up or after driving a bit.

    Do you have any clues? i haven't checked yet for the vacuum leaks, damaged sensors... But it seems to me this should be electrical since it happens from time to time.. I would expect a leak to cause a permanent issue at a specific condition... Which i don't have. My issue is appears completely sporadically.

    Thank you

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