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stuttering or knocking

  1. Stalling, Stuttering/Knocking, Black Smoke! Help.

    Alfa 159, Brera & 946 Spider
    Hi Guys, Sorry to make my first post a problem (and a long winded one), but I could use some sage advice! To give some history. I have a 2.0 JTDM 159, its been regularly serviced and maintained by local alfa specialists, had a couple of jobs done under warranty (power steering pump, back box...
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