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.

doesn't run for ****

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Old Jul 9, 2008 | 12:18 PM
  #1  
fordlover79's Avatar
fordlover79
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Default doesn't run for ****

ok i have a beautiful 95 5.0 it has a complete custom 2.5" exhaust summitt 80mm maf summitt 75mm tb ford racing 24# injectors and bbk open air. it don't idle for ****, sometimes it runs 1500 and sometimes it runs 600 it is an automatic and i was wondering if i NEEDED a new fuel pump, would a 255 do the job? oh yah i can put the stock maf on and it runs the same way i need help in a bad way and all is appreciated. the maf was calibrated i had it double checked. i had a check engine light come on for 30 seconds yesterday and i'm about to chech it out now i will get back to you guys on it
Old Jul 9, 2008 | 12:27 PM
  #2  
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Default RE: doesn't run for ****

Nice looking 4 wheeler, is that the car in the background?
Old Jul 9, 2008 | 12:30 PM
  #3  
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fordlover79
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Default RE: doesn't run for ****

YAH I'M HIGHLY SURPRISED THERE ISN'T ANY PICS OF MY STANG ON MY COMP I WILL GET ONE QUICKLY
Old Jul 9, 2008 | 12:41 PM
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Default RE: doesn't run for ****

run koeo/koer testing and get your codes....thats a start
Old Jul 9, 2008 | 01:39 PM
  #5  
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fordlover79
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Default RE: doesn't run for ****

ok koeo showed
179 hego rich during part throttle



and koer showed
173 hego rich
53 tps too high (it's not)
6 nothing
6 nothing
32 egr problems ???


plz help i'm lost
Old Jul 9, 2008 | 02:57 PM
  #6  
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fordlover79
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Default RE: doesn't run for ****

PLEASE HELP ANY NEWS IS GOOD NEWS RIGHT NOW
Old Jul 9, 2008 | 03:22 PM
  #7  
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ewgoetz
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From: Venice, FL
Default RE: doesn't run for ****

Did you get a chip tuned for it? I know the stock 94-95 computers dont play nice. Also do you have a pulley kit in it? If you have underdrive pulleys try putting the stock pulleys on first. If you still have the issue get a chip tuned for ut car.
Old Jul 9, 2008 | 03:49 PM
  #8  
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Default RE: doesn't run for ****

check your filter bro, when the pump goes your **** wont run
Old Jul 9, 2008 | 04:01 PM
  #9  
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fordlover79
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Default RE: doesn't run for ****

i am running a stock pump with 24# injectors, what i was wondering is if that's the prob. and no underdrives so where do i get a chip programmed or a 93 computer for this thing
Old Jul 12, 2008 | 02:51 PM
  #10  
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Default RE: doesn't run for ****

Clean out your IAC with some carb cleaner.
If you dont know how, google it.
I have no idea what the code means, but usually you can clean out IAC and it should help you a little bit. Theres alot of grime that builds up in there.
If that doesnt work, it could be a faulty TPS.
And if not that could be your vacuum lines, make sure there's no cracks in your intake hoses.

To check for a faulty fuel pump, take it out, attatch it to a battery, sit it in some gasoline and see if it flows. If not, there's your problem.
Oh, and have a friend with you to remove the tank. That's the one thing I HATE doing.



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