Ford Truck Enthusiasts Forums - 1991 ford f150 4x4 -5.0 /fuel pressure

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fordboy16

10-26-2009 10:44 AM

1991 ford f150 4x4 -5.0 /fuel pressure

i have a 1991 ford f150 4x4 with a 5.0 v8 could any one tell me what kind of fuel pressure this would have

rla2005

10-26-2009 08:29 PM

subford

10-27-2009 06:05 AM

32-34 PSI at idle.
around 40 PSI WOT.
42-45 psi with vacuum hose off and plugged from the Fuel Pressure Regulator (FPR).

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