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Liebherr 944b fuel help!!

PyramidDis. ยท 2014-01-13 11:49

Looking for a little help with a machine. Hoping someone can help? I've got a bit of a problematic fuel problem. Haven't really had the time to diagnose it right. But This thing will run on a low idle all day, but as soon as you power up to move the boom or our shear it dies out. Now i've changed the fuel filters three times and there seems to be plenty of fuel moving through the lines. But for some dam reason i can't figure it out if anyone could please help?????

Replies3
  1. #1mikebramel2014-01-13 18:18

    The pumps may not be unloading when the pressure rises overloading the engine

  2. #2fixou8122014-01-13 19:33

    Some fuel injection pumps have a micro screen where the fuel line connects to the pump I've seen those restricted before.

  3. #3geach plant uk2014-02-25 17:41

    have you tryed blowing air back into the two pipes in the tank work on mine