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.

bbk afpr

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Old Sep 3, 2006 | 02:46 AM
  #1  
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Default bbk afpr

i got a bbk afpr, no matter how i adjust it, fuel pressure stays the same, is it junk? i only have stock injectors and yes i am adjusting it correctly
Old Sep 3, 2006 | 02:49 AM
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Default RE: bbk afpr

Prolly dont have the pump to support highe FP

When you adjusting th FP, is the vacum connected?
Old Sep 3, 2006 | 02:50 AM
  #3  
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Default RE: bbk afpr

no its not connected and i just installed a 255 fuel pump
Old Sep 3, 2006 | 02:52 AM
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Default RE: bbk afpr

it's just a plunger,and diaphram....
Old Sep 3, 2006 | 02:53 AM
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Default RE: bbk afpr

whats it at right now? And what gauge you using?
Old Sep 3, 2006 | 02:54 AM
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Default RE: bbk afpr

ok.... but would you say its junk, because no matter how i adjust it, it wont increase or decrease and whe ni first start the car it wants to die out at first.
Old Sep 3, 2006 | 02:55 AM
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Default RE: bbk afpr

its at just below 40 with the vaccum hose detached, and it should be at 40 and im using an actron gauge at the schrader valve
Old Sep 3, 2006 | 02:56 AM
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Default RE: bbk afpr

no leaks i presume?...tap on it..
Old Sep 3, 2006 | 02:56 AM
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i looked all around it, dont see any at all
Old Sep 3, 2006 | 02:58 AM
  #10  
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Default RE: bbk afpr

sounds like needle isn't seated or bottemed out.



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