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by lack of power

  1. keithmerc220

    mechanics puzzled by this

    MERCEDES BENZ 320CDI ELEGANCE ESTATE 2001 Low power it drives, but it lacks power, it is OK at 70mph. Also under hard acceleration it produces black smoke. On recent M.O.T it passed on emissions Engine Control Unit' was sent to a specialist firm, but it came back with no problems. The...
    • keithmerc220
    • Thread
    • by lack of power mechanics puzzled
    • Replies: 17
    • Forum: Engine
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