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 help

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Old Mar 30, 2007 | 02:50 AM
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hunter5.0
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Joined: Mar 2007
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Default fuel pump help

i just reinstalled my motor in my 89 notch and now my fuel pump wont come on if i unplug it at the tank and jump the pump to a battery the pump runs but it doesnt shut off until i remove the jumper wire. One of my many upgrades is a bbk fuel pressure reg and high flow rails . if i cycle the fuel pump by the jumper the car will run but if i just hold the jumper on there the motor dies like its getting flooded out. help
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