Date registered: Nov 2004
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300sd fuel system problem
I need some help here in diagnosis. I really do not want to buy all new parts, so i need to narrow it down.
the symptoms are long deiseling after ignition shutoff. Somtimes she needs to be primed with the pump to start after the deiseling. Also after she goes below half a tank usally, she will lose power in her running ability,and the pedal will have to be pumped vigorsly to get her going.she does not stall or die when this happens, it just seems like the fuel flow stops or slows.I am torn between a new pump,a shutoff valve ,or a injection pump.She has new filters and about 225,000 on her. please help the old girl!