low fuel pressure
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Mudding
Joined: Dec 2010
Posts: 118
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From: Clarksville, Tn
low fuel pressure
Well I checked my fuel pressure, and it is only 20psi at idle. The book calls for 37psi. I clamped off the return line, so I am guessing it is not the regulator, but the fuel pump. Any suggestions before I order a new one?
Dodger
Dodger
TReK
Joined: Sep 2010
Posts: 2,073
Likes: 6
From: Ketchikan, Alaska, USA
Can you point out where it says 37psi at idle? I could only find a spec for key on engine off psi...I searched the RAVE(guess not hard enough) last night for over an hour.
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Mudding
Joined: Dec 2010
Posts: 118
Likes: 0
From: Clarksville, Tn
Filter is new, here is the specs from page five in the information section:
FUEL SYSTEM 3.9 V8i
Fuel system type .................................................. ............ Lucas 14CUX hot wire system electronically controlled
Fuel pump-make/type .................................................. .... ACX delco high pressure electrical, immersed in the
fuel tank
Fuel pump delivery pressure ............................................ 2.4-2.6 bar (34-37 lbf/in2)
Fuel filter .................................................. ........................ Bosch in-line filter ’canister’ type
the truck appeears to run fine, it just takes for ever to start.
FUEL SYSTEM 3.9 V8i
Fuel system type .................................................. ............ Lucas 14CUX hot wire system electronically controlled
Fuel pump-make/type .................................................. .... ACX delco high pressure electrical, immersed in the
fuel tank
Fuel pump delivery pressure ............................................ 2.4-2.6 bar (34-37 lbf/in2)
Fuel filter .................................................. ........................ Bosch in-line filter ’canister’ type
the truck appeears to run fine, it just takes for ever to start.
Last edited by Dodger; Mar 9, 2011 at 07:22 AM.
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