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I have a 2002 Dodge 2500 w/ approx 135000 mi. the injection pump was replaced by a dealer when the truck had 98000 mi. The truck sat idle for about three weeks and when I went to start it the batts were very weak,  turned over twice and went dead. I charged the batts, cleaned the terminals, but the engine would just spin. The lift pump is working, and there is fuel in the tank. I also changed the fuel filter and drained the water separator. Still, no start! Help!!!

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  • You need to replace the batteries together.  The old weaker battery will drag the new one down.    

  • Good chance you need to reprime the fuel system. That would be the first thing I would try. Could have lost prime sitting there and opening and draining the fuel canister and changing the fuel filterw

  • Mopar1973Man
    Mopar1973Man

    Cranking the engine. The fuel pump relay in the PDC is the only control for the VP44. If that relay is bad or failed it will toss a P1689 code. 

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