Try swapping the inlet and outlet fuel hoses down by the Fender well. This will back flush you Tank Screen (this is just a temp fix not a cure) with return fuel and will draw fuel from a higher position in the than as the normal return return for fuel goes into the tank at a higher position.
This will also means that you need to keep your tank filled with more fuel as you will run out of fuel and you gauge will still show that you have some
I do not know what the minimum amout of fuel you can get away with is when you swap the hoses.

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84 300D, 82 Volvo 244Gl Diesel