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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

fuel pressure

 
  #1  
Old 11-23-2009, 11:39 AM
lennb01
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fuel pressure

anybody know what the fuel pressure should be on an 88 4.9 mines 55
 
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Old 11-23-2009, 11:56 AM
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With vacuum removed from the FPR that is about right.
 
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Old 11-23-2009, 12:35 PM
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with the truck running does anyone have any idea what it should be?
 
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Old 11-23-2009, 01:48 PM
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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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