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.

NO FUEL PRESSURE!

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Old 06-19-2004, 05:25 PM
  #1  
87mustang347
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Default NO FUEL PRESSURE!

I JUSS PUT IN A 255 FUEL PUMP AND GOT EVERYTHING CONNECTED RITE, I GOT TO TURN THE KEY AND MY FUEL PRSSURE GUAGE IS READING 0... I FIGURE I HAVE TO PRIME THE SYSTEM B4 IT STARTS BUT IT CONTINUES READING 0 SO I START THE CAR N E WAY TO C IF IT STARTS AND IT DOESNT.. CAN SOMEONE PLEASE TELL ME WHAT THE PROBLEM IS I WANT TO GET MY CAR RUNNING SO BAD
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Old 06-19-2004, 05:32 PM
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NOS/MAN
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Default RE: NO FUEL PRESSURE!

they have and intera switch did it trip??im i carb man ..
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Old 06-19-2004, 05:59 PM
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87mustang347
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Default RE: NO FUEL PRESSURE!

im not sure about that, all i did was disconnect the two wires on top of the tank and remove the three hoses connected to it and dropped the tank and put the new pump in and reversed that procedure
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Old 06-19-2004, 06:03 PM
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Default RE: NO FUEL PRESSURE!

nos man maybe right on it it's on the pass side in the truck..also check your pump fuse
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Old 06-19-2004, 06:09 PM
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Default RE: NO FUEL PRESSURE!

LOOK OUT V IS IN THE HOUSE....[sm=smiley20.gif]
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Old 06-19-2004, 06:11 PM
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Default RE: NO FUEL PRESSURE!

in The HOWSE
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Old 06-19-2004, 08:29 PM
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87mustang347
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Default RE: NO FUEL PRESSURE!

yah but the pump is deffinetly working cause when i turn the key i can hear it go on
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Old 06-19-2004, 08:35 PM
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Default RE: NO FUEL PRESSURE!

where is that switch thingy in the back i cant find it
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Old 06-19-2004, 08:48 PM
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Default RE: NO FUEL PRESSURE!

you hear a buzzing from the tank? I hope you replace the fuel filter...are you sure the lines are on right..if yes to all let it buzz for about 30 sec and then check pressure
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Old 06-19-2004, 10:24 PM
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87mustang347
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Default RE: NO FUEL PRESSURE!

yes i replaced the filter and i hear a buzzing and left the key turned for a long time and still no presure but where can i get access to the fuel pum switch so i can hit the reset button
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