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leakoff

  1. 650max

    2007 Sprinter injector leak-off rates.

    I'm pretty certain I've got one or more dribbling injectors on my 2007 311 CDI, they're the Bosch Piezo type.. Symptoms are - rough idle when hot (as though it were running on 3.5 cylinders or imagine putting the choke on a hot petrol engine), very smoky at idle, clears when under way after...
    • 650max
    • Thread
    • 2007 injector leakoff rates sprinter
    • Replies: 0
    • Forum: Engine
  2. S

    OM646 diesel leak-off pipe T-piece

    Afternoon all, My 2008 E220CDi seems to have air in the low pressure diesel pipework near the fuel filter. When I turn the ignition on you can hear a lot of air bubbles rushing through the pipework for about 20 seconds, presumably as the lift pump in the tank operates. I suspect that air is...
    • selphy
    • Thread
    • diesel leakoff om646 pipe tpiece
    • Replies: 8
    • Forum: Engine
  3. A

    w210 injector leakoff pipe om606

    Hi I have been having trouble with fuel smell from engine. When checked it was a leak at the injector return line. The recess around the injectors 1 & 6 were full of diesel. I got them clened out and new hose from the motor factors fitted. Now as i have seen from other on the net the diesel is...
    • atlantimd
    • Thread
    • injector leakoff om606 pipe w210
    • Replies: 7
    • Forum: Engine
  4. N

    Diesel injector leak-off ?

    Still learning about C/R diesels - would someone please explain:- what is injector leak-off? why does it occur? what is normal vs abnormal leak-off what causes abnormal leak-off? what are the affects of abnormal leak-off? how is abnormal leak-off cured?
    • nujon
    • Thread
    • diesel injector leakoff
    • Replies: 1
    • Forum: Engine
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