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blowby

  1. V

    Suspected Combustion Blow-by

    Hi, I am quite confused with opinions regarding an issue in my W220 S320CDi. The car is with 78K miles now and is maintained by the book. 10 months ago I installed a Kleemann KD Box and did not notice anything abnormal for 2 months except for quite heavy dark-grey exhaust smoke on hard...
    • Voltan
    • Thread
    • blowby combustion suspected
    • Replies: 1
    • Forum: Engine
  2. V

    Suspect Blow-by

    Hi, I am quite confused with local techies opinions regarding an issue in my W220 S320CDi. The car is with 78K miles now and is maintained by the book. 10 months ago I installed a Kleemann KD Box and was fine for 2 months except of quite heavy dark-grey exhaust smoke on hard accelerations. On...
    • Voltan
    • Thread
    • blowby suspect
    • Replies: 4
    • Forum: Engine
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