Need Information about the fuel pump. What amount of pressure should the fuel pump put out???? Is the fuel system pressureized from the feul pump up to the filter, thru the filter and then down to the Injector Pump????? Any help will be appreciated.... jim16671836

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James A. Harris

It is pressurized that way but I don't know the pressure.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13

The system is pressurized from the fuel pump to the filter and onto the injection pump. I'm not sure of the exact figure.........guessing somewhere between 10 and 15 psi.

The engine will start but will not run longer than a minute... Not getting fuel and the return is not much more than a drip... Filters changed, used diesel purge... no change... Tried disconnecting both lines and using a remote reservoir with fuel... no change... any ideas.... Jim

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James A. Harris

Disconnect fuel line from pump to secondary. Place in bucket. Crank engine for 10 seconds. Observe bucket. If you don't get at least two ounces........fuel pump is NG.