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- 1987 - 1996 F150 & Larger F-Series Trucks (https://www.ford-trucks.com/forums/forum28/)

- - fuel pressure (https://www.ford-trucks.com/forums/904608-fuel-pressure.html)

lennb01

11-23-2009 11:39 AM

fuel pressure

anybody know what the fuel pressure should be on an 88 4.9 mines 55

Conanski

11-23-2009 11:56 AM

With vacuum removed from the FPR that is about right.

lennb01

11-23-2009 12:35 PM

with the truck running does anyone have any idea what it should be?

andym

11-23-2009 01:48 PM

Spec calls for 55 to 60 PSI on the straight six at idle with the vacuum line connected to the FPR.

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