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Posted on Apr 29, 2009

99 dodge 2500 5.9 cummins fuel pressure at 3psi

Fuel pressure is at 3psi, the transfer pump is running. changed air and fuel filter. the truck is starting fine. just lost of power. what could be the problem. thank Dan

  • Anonymous Mar 28, 2014

    truck will not start off key but will pull start and run fine until shut off

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  • Posted on May 10, 2009
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The 3 psi is caused by a failed transfer pump. The problem the loss of could be the VP44 injection pump. This pump should be run at min 7psi. I had the same fuel pressure problem. I replaced my stock transfer pump with a FASS DDRP from www.usdieselparts.com. The stock pump is over $200 to replace and will fail again, sometimes right out of the box. The DDRP will supply about 15psi to the pump and is simple to install. I hope this helps.

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