Ford F-150 The entry level full size truck from Ford, one of America's best selling for decades.

86 F150 XL 5.0 Dual Tanks

  #1  
Old 05-07-2018, 11:19 AM
Huntress2u's Avatar
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Join Date: May 2018
Location: Arizona
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Default 86 F150 XL 5.0 Dual Tanks

Hey fellow ford owners! I have an issue with my fuel system. Truck was running fine with the exception of the midship tank. I have replaced all of the fuel pumps as well as a fuel selector valve, replaced the rear pump,and frame pump a few months ago,as well as the fuel filter. Replaced midship pump yesterday,Replaced the fuel pressure regulator, unfortunately I do not have access to a pressure gauge...truck will start and run for a minute or so,then when you depress the gas it will die, seems to be getting fuel to the rail ..I have no man in my life so I’m trying to figure this out by my self.. I have a pretty good understanding about mechanics and do my best to figure it out...but I’m at a loss...any help would be greatly appreciated ...
 
  #2  
Old 05-07-2018, 01:40 PM
hanky's Avatar
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Join Date: Jun 2010
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If the problem happens with both tanks, chances are it may not be fuel related.

Without being able to test it, I would be suspicious of the coil breaking down under load.
 
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