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Ignition troubles

Tiny
DOUBLEB
  • MEMBER
  • 1995 FORD MUSTANG
  • V8
  • 2WD
  • MANUAL
  • 4,000 MILES
My son has a 95 mustang GT with a fresh 5.0 in it. It has about 4000 miles on the motor. All the ignition system has been renewed. It has just started having an issue within the ignition system. It has died 2 times going down the road and at times it will not start for him. Now here's the kicker. He can jump the negative side of the coil to ground and it will start and run great (when it starts, he removes the jumper wire )
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Saturday, February 19th, 2011 AT 5:51 PM

5 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Was ICM replaced and does TACH work?
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Saturday, February 19th, 2011 AT 6:25 PM
Tiny
DOUBLEB
  • MEMBER
  • 4 POSTS
If ICM means ignition control modual. Yes it was replaced and the tach does work
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Sunday, February 20th, 2011 AT 1:16 AM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
O.K. Check spark pull plug wire hold 1/4 in from block chank spark blue/white in color?
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Monday, February 21st, 2011 AT 6:37 PM
Tiny
DOUBLEB
  • MEMBER
  • 4 POSTS
It does not have any spark when it has the no start or dying problem, but while running it has a nice blue spark. Think the hall effect switch in the distributor is acting up at times?
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Saturday, February 26th, 2011 AT 3:03 AM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Yes that could be fault if Hall does not send RPM and postion the PCM will not know whe n to ground. The ground you provide gets it started then Hall PIP signal takes over.
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Saturday, February 26th, 2011 AT 8:32 PM

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