Sedimenter is in a right state

diver said:

Stop solenoid is on the injection pump. Before you try anything else, try running a pipe from the engine bay filter (or lift pump, whichever is nearer the tank) to a can of diesel, then try priming it up and see if it works. From what you are saying, there seems to be a problem with the fuel supply from the tank. Hence the bubbles at the bleed screw. I believe the fuel pipes on top of the tank can cause problems.

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