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.

HELP NEEDED FUEL PUMP

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Old 09-30-2007, 08:35 PM
  #1  
wsp8ntbll
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Default HELP NEEDED FUEL PUMP

ive had a problem....i was driving home from work...stopped at a store went inside and came out...car wouldnt start....well neways when i tried to start it i noticed that my fuel pump didnt sound on like it usually does when i click on the ignition....Im thinkin that maybe my fuel pumps done or maybe a fuse is keeping it from getting power...can anyone help?
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Old 09-30-2007, 08:43 PM
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mattdel
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Default RE: HELP NEEDED FUEL PUMP

bother to check the fuel pump fuse? or were you waiting for us to tell you to
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Old 09-30-2007, 08:45 PM
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302f150
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Default RE: HELP NEEDED FUEL PUMP

Start by replacing your fuel filter. If its been restricting the flow for a long time it can burn up the pump. If it still makes a lower pitched noise than normal, check the voltage at the pump, after that, its the pump.
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Old 09-30-2007, 08:57 PM
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wildsurfer92
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Default RE: HELP NEEDED FUEL PUMP

take a rubber mallet, non marring one, and get up under the car and hit the fuel tank while someone is trying to turn the car over and there is a chance you could get the fuel pump to kick on, and if it does, you know you need a new fuel pump...there should also be a relay under the drivers seat for the fuel pump and you can check that
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Old 09-30-2007, 09:13 PM
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302f150
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Default RE: HELP NEEDED FUEL PUMP

our 5.0s dont have the supercool inertia switch do they? ive never bothered to check....someone coulda bumper ur car and set it off.....

Edit:
wait, nvm, if it was tripped.....the pump wouldnt make any noise....but thats always a good thing to check on newer cars lol
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Old 09-30-2007, 09:22 PM
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wildsurfer92
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Default RE: HELP NEEDED FUEL PUMP

yea thats way too new to have on a 50 stang...and i thought they only came on higher end cars...i know the come on mercedes
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Old 09-30-2007, 09:24 PM
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mattdel
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Default RE: HELP NEEDED FUEL PUMP

wow are you two serious? of course they have inertia switches.
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Old 09-30-2007, 09:32 PM
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302f150
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Default RE: HELP NEEDED FUEL PUMP

lol, i wasnt sure. ive only had mine for like 4 months.....not much in the way of fuel problems, knock on wood. i know ford started sometime in the 90's, they gave a lot of problems on some cars, especially with golfers lol....where is the switch at, just for my knowledge...but like i said, if he can hear his pump run then its not the inertia switch
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Old 09-30-2007, 10:02 PM
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nacanitihs
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Default RE: HELP NEEDED FUEL PUMP

haha yes foxes do have inertia switches. it is located in front of the d/s tail light on the inside of the car. there should be a hole in the plastics so you can touch the button w/o havin to take the panel off
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Old 09-30-2007, 10:09 PM
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wildsurfer92
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Default RE: HELP NEEDED FUEL PUMP

yea i definitely didnt think that they had inertia switches, and if they do they certainly dont work like the new ones do
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