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.

Fuel pump won't turn on...

Old 09-11-2007, 10:36 PM
  #21  
LS1this
 
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Default RE: Fuel pump won't turn on...

I would try jumping the fuel pump relayand see if the pump kicks on then, perhaps your pump is bad.
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Old 09-11-2007, 11:31 PM
  #22  
red302
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Default RE: Fuel pump won't turn on...

I agree. It sounds like your fuel pump was showing signs of quitting and finally just took a crap on you. My friends 87 GT went out without warning at school several years ago. I've tried this on Chryslers try hitting the fuel tank with a rubber mallet or your fist and try to start it again. I used to do that to avoid pushing minivans and trucks in the shop with failing fuel pumps. Check your body grounds too.
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Old 09-15-2007, 12:21 PM
  #23  
jrt1990
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Default RE: Fuel pump won't turn on...

K I'll try that.
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Old 01-17-2008, 09:08 AM
  #24  
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Default RE: Fuel pump won't turn on...

my pump reset switch is stuck down, i cant press it down any further,does anyone know why that is, or should it always be pressed in? my stang been sittin for a month or so due to runnin out of gas, but i havent driven it for a year...my battery has died and been recharged so i am hopin its not fuel pump failure... please help me fellow stangers!!!!
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Old 01-18-2008, 11:15 AM
  #25  
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Default RE: Fuel pump won't turn on...

im just throwing this one out there maybe a fuse blu i dont know if there is even a fuse for fuel [pump but i dont know of anything elsev
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Old 01-20-2008, 11:54 AM
  #26  
redpony88
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Default RE: Fuel pump won't turn on...

i had a similar problem, i found my pump had gone out. i had swapped in my friends new relay and still nothing, so i dropped the tank, not a big hastle like people like to make it out to be, especially if it didnt have alot of gas. there's 2 straps, then lower it down and work it off the filler neck. i suggest you have it up on jackstands to get clearance. there's one connector you need to undo along with the standard gas lines, pull the pins with a flat head and procede to pull it all the way out. then it's just a ring that you undo, the one on the pas side not the center one, unless you're gonna replace the sending unit while you're there.
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