Quote:
Originally Posted by hut160
Thanks guys.
I have definitely connected them correctly.
the only thing I can think of is that the feed pipe diameter is 8mm and it goes onto the pump inlet fairly easily, I have not tightened with a clip, perhaps not tight enough and air getting sucked in?? but then again when I turn the pump from the LM reservoir on there is no leakage at all.
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8mm internal bore is quite large so the high pressure pump will probably have sucked far too much air, you need to prime the 8mm pipe with DP before cranking the engine.
Make sure the pump and fuel rail are full of fuel by running the engine. Then suck the DP through the 8mm pipe and quickly reconnect the pipe to the pump, then crank the engine over. This should prevent too much air getting into the pump, once the pump has air in it, it will not suck up the DP, it then has to be primed again by the low pressure pump in the tank.