LP Problems
#1
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Join Date: Mar 2005
Location: Terre Haute, Indiana
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LP Problems
My FP with the stock LP was running about 10 psi at idle and dropping near 0 psi at WOT. So I bought the Vulcan Kit and installed a Holley Blue on the frame in front of the tank. Now my FP is 6 to 7 psi at idle and 0 psi at WOT. I thought maybe there was a restriction in the tank line so I blew back through the line with 90 psi to make sure it was clear but there was no change. The only solutions I can come up with are the pump is sucking air or the pump is bad. I only used the rubber hose from the Holley to the filter housing and I didn't install the regulator. Thanks for the help.
#6
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I moved my FP guage to the incoming side of the fuel filter instead of the out going. With it there I see 11psi at idle and 8psi at WOT. I think I've got a problem with the Prime-Loc. I've been thinking about getting rid of it since I got the truck maybe it's time.Thanks.
#7
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Join Date: Oct 2003
Location: Mason Neck Va
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The Fuel Module in the tank is very restrictive and can leak air
Do your self a favour,install mopars updated lift pump module assy.If you are over 400hp you may need an additional lift pump installed in the stock location.The P/N is 05175538AA its one of the options available to open up the fuel module.
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