406 funny knock

Discussion in 'Peugeot 406' started by greggig, Dec 7, 2006.

  1. greggig

    greggig Guest

    2.1 406 diesel.has a funny intermittent knock but when you cranck off
    one of the injectors then tighten it up again its stops for a while?
    I've been told it could be air in the system but it's done it now for
    about 850 miles! any one got any ideas what it could be??
    greggig, Dec 7, 2006
  2. greggig

    Johno Guest

    Sounds like a duff injector spraying too much fuel in causing engine to
    knock with excess fuel,
    Johno, Dec 7, 2006
  3. greggig

    PhilC Guest

    Absolutely correct

    PhilC, Dec 7, 2006
  4. greggig

    Chris Guest

    thats what it is excess fuel
    Chris, Dec 7, 2006
  5. greggig

    greggig Guest

    yeah that's what I thought it was so I fitted new injectors. but na
    still does it
    greggig, Dec 8, 2006
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