Lift pump oddities - TDR Roundtable

Lift pump oddities

02-12-2006, 04:52 PM

#1 (permalink)

BadDNA

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Join Date: Apr 2003 Location: Oxford, MA Posts: 145 Old Reader's Rigs Gallery

Lift pump oddities

I replaced the dead lift pump in my truck earlier this week and I've noticed some wierd behavior with the new one now. When I key on the truck the pump does not pressurize the system. I doesn't seem to start running until I start the engine. Once in a while it takes long enough to build pressure that the engine stalls before the fuel pressure comes up. I'm not sure how to troubleshoot this, the pump I put in is brand new, I've checked all my fittings and they're tight. I do need to replace the filter but I don't see any reason that would keep the pump from running. Once the pump does start it runs great, 14-16 at idle and 10 at WOT. Guesses, hints, offers to buy me a FASS are all appreciated.

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