Suspicion vp44 failure - TDR Roundtable

Suspicion vp44 failure

11-10-2009, 11:10 AM

#1 (permalink)

DThibault

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Join Date: Jan 2001 Location: conway ma usa Posts: 250

Suspicion vp44 failure

I have a 2001 HO truck and was having intermittent low fuel pressure. I replaced the transfer pump with a DDRP and now am getting over 20 psi. I drove the truck into the shop and now can't drive it out. I can get it started with difficulty if I bleed the injectors ( it stumbles and complains) but if I shut it down, it will not start again. The odometer gives a code of ECM, that's fairly vague. I have 140,000 miles on it, have replaced 3 stock transfer pumps, and may have abused the VP44 in the process. I hate to start throwing parts at it but I don't know how to diagnose this problem, ANy help is appreciated.

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