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View Full Version : Foxbody Fuel Pump Issue.



FasTech
03-28-2011, 01:54 PM
Car: 1988 Foxbody Mustang.
5.0 HO.

Problem: Fuel pump won't shut-off. Just started and I noticed after I shut the car off and started walking past the back it was still on. So, I just have the battery un-hooked until I can figure out the problem.

As always, I'm sure I can figure the problem out.. But thought maybe someone has had this problem and can tell me what they did to solve it. So, maybe I won't be replacing everything. lol.

::: Also.. If I do have to replace the pump, I want to get a better pump over OE. Was thinkin a Walbro. But not sure what size I should get. Mild cam, headers, full exhaust, msd dizzy, gt40 heads, etc. Just basic stuff.

Tech5
03-30-2011, 02:41 PM
Your fuel pump relay is stuck open , so you need a new relay...

slostang
03-30-2011, 07:35 PM
Your fuel pump relay is stuck open , so you need a new relay...

Ditto