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Old 11-05-2003, 10:42 AM
Ken300D Ken300D is offline
Registered Diesel Burner
Join Date: Aug 2001
Location: Northern Virginia
Posts: 2,911
Well, you have done a good diagnosis and workaround - I think you can be pretty sure its a fuel delivery problem.

If you have a decayed rubber fuel hose then the car will leak back fuel into the tank over time, and have a hard time pulling it back from the tank. Pulling air instead.

So, you probably should start by inspecting the fuel lines.

Next the function of the fuel pump. Make sure it can push fuel through a temporary line run to a jar.

Then suspect the fuel filter(s).

These are general help items - I'm not familiar with your particular engine.

1982 300D at 351K miles
1984 300SD at 217K miles
1987 300D at 370K miles
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