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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 04-21-2013, 02:10 PM   #1
Black90notch

 
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Join Date: Sep 2012
Vehicle: 90 mustang lx 5.0 notch
Location: Maryland
Posts: 48
Default Fuel pressure regulator issue

Ok so I'm pretty sure my regulator is shot. Can't get into it at all without it choking up and supudering. Feels like it wants to stall at idol.
H/c/I 5spd 255 pump with 24# injectors. Ive looked into getting a new regulator but don't know what psi I need to be at. Some are at 45, other adj from 35-65.
Any input would be great
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Old 04-21-2013, 02:39 PM   #2
mrz2207
 
Join Date: Apr 2013
Vehicle: 1996 Mustang GT Conv.
Location: Florida
Posts: 24
Default

Should be about 42psi with vacuum unhooked. 38-39 psi are also good to if you get that. it could be a bad fuel pump if you get low pressures and bad regulator if you get too high.
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Old 04-21-2013, 02:39 PM
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