You don't have fuel coming up from the tank.

Take the tank filler cap off -- do you have LOTS of suction (not pressure)? If so, tank vent is plugged.

Blow some compressed air GENTLY down the suction line with the cap OFF. If this temporarily fixes the problem, you need to get the tank clean, it's got lots of algae. If it only hisses and doesn't bubble, the guage is bad and you are out of fuel! Car wont' start then....

Make SURE the suctin lines are good -- the old style fabric covered ones go bad under the fabric. Hoses wet with deisel have holes in them, letting air it.

It's going to take some cranking to get fuel up after it's completely dry.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!