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.

Engine shuts off and then dosn't start up

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Old 10-31-2007, 08:45 PM
  #11  
PRO50SC
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Default RE: Engine shuts off and then dosn't start up

yes
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Old 10-31-2007, 09:23 PM
  #12  
Joel5.0
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Default RE: Engine shuts off and then dosn't start up

ORIGINAL: Valcore
today i discovered the hard way that there is also no electricity to the coil.

What could it be?

thank you.
If you mean no voltage at the (+) wire at the coil connector, check either the red wire at any of the injector connectors and/or pin #3 at the TFI module with key in IGN ON.... if no voltage is present...... the problem could be a faulty ignition switch.


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Old 10-31-2007, 09:26 PM
  #13  
patrickfxck
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Default RE: Engine shuts off and then dosn't start up

that sucks i had the same **** happen once in the middle of not a good part of detroit. wasnt good to be stuck there, we just pushed the car and i poped the clutch to drive it before it died again, had to do it about 10 times before i got home but it all worked out, turned out to be the starter cylanoid, try taking a screw driver and connecting the two bolts and see if it starts(with the key in and in neutral). its worth a try like 10 bucks to fix.
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Old 10-31-2007, 09:38 PM
  #14  
Sidewayz6.0
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Default RE: Engine shuts off and then dosn't start up

Patrick, thats not even remotely close to the same problem he's having...And I'm going to go with Pro on this one. It sounds like a bum dizzy.



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Old 11-03-2007, 11:21 AM
  #15  
Valcore
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Default RE: Engine shuts off and then dosn't start up

ORIGINAL: Joel5.0

ORIGINAL: Valcore
today i discovered the hard way that there is also no electricity to the coil.

What could it be?

thank you.
If you mean no voltage at the (+) wire at the coil connector, check either the red wire at any of the injector connectors and/or pin #3 at the TFI module with key in IGN ON.... if no voltage is present...... the problem could be a faulty ignition switch.


ok thanks, i tried that and there is power.

Do I have to pull the distributer to change the ICM?

what is TFI?
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Old 11-03-2007, 11:32 AM
  #16  
AdderMk2
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Default RE: Engine shuts off and then dosn't start up

tfi is short for thin film ignition.. its the type of module.

get a new ignition control module, and pop it in there... if you are still having problems, its the pickup coil in the disty
however the pickup coil is a more random event, if it only happens when the car gets warm, its more then likely, the TFI
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Old 11-03-2007, 12:13 PM
  #17  
Valcore
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Default RE: Engine shuts off and then dosn't start up

ok so i can get the front top bolt out of the module but the back one is blocked, do I have to pull the distributer? or can I just pull it outa few inches to get to the bolt? I really don't wanna take it completely out b/c idk what I'm doing if it dosn't go back in.
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Old 11-03-2007, 01:42 PM
  #18  
Valcore
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Default RE: Engine shuts off and then dosn't start up

Yep, got it started,it was the ICM/TFI whatever you call it.

thanks
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Old 11-03-2007, 03:32 PM
  #19  
cody91mustanglx
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Default RE: Engine shuts off and then dosn't start up

Same thing hsppened to me, u have any ignition boxes mounted in ur engine bay?? my ignition box was going bad and it did exactly wat happened to you
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Old 11-03-2007, 06:35 PM
  #20  
aode08
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Default RE: Engine shuts off and then dosn't start up

ORIGINAL: Valcore

Yep, got it started,it was the ICM/TFI whatever you call it.

thanks
Im very happy, this didnt turn into a mysterious diagnosis and your car is fixed!

I hope you used alot of thick film grease on the new one.

I keep AAA on the speed dial.

You leave a fox, that nice parked, its likely to get stolen, even if you had to push bumper the dam thing, home, least you have a car.
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