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.

need help!!!!

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Old Jul 19, 2009 | 11:47 PM
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donsmoke
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Joined: Mar 2009
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From: SC
Default need help!!!!

Ok so I changed my fuel pump yesterday and now when its in KOEO mode the pump comes on MOST of the time like its usually does but it doesent just prime and shut off it just stays running, im getting fuel to the injectors because I have fuel at the schrader valve but the car wont start. I pulled a injector pigtail and it has 12 volts on to the red wire so I was going to check for injector pulse by putting the test light on it and turning the dist. but when I turned the dist. the pump primed and cut off so I locked it back down where it was set before and tried to start it and it fired up, I turned it off and tried again and it worked, so i turned it off and tried again and again it work so i let it idle for about 15 mins shut it down and took it off the jack stands and when to take it for a test drive but i got nothing when i tried to start it just the same crap as before pump would come on but never shut off. WHAT THE HELL IS GOING ON?!?! Im out of ideas is it the ecm or is there something in the dist. that I should be looking at?? or could it be something with the FPR?? any help would be great guys i am out of ideas so i was gonna swap the ecm out of my dads 91 GT but its such a bitch to get to i would be willing to try anything else first. o and sorry for the long post




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