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Author Topic:   Ignition Module Problems

Posts: 1
Registered: Jul 2004

posted 07-07-2004 10:37 PM     Click Here to See the Profile for adurham     Edit/Delete Message   Reply w/Quote
During my July 4th holiday travel, I began to experience what I believe to be iginition module probelms with my '91 5.0 mustang.

On my way from the DC area to NC, my car just shut off on me in the middle of traffic and wouldn't crank. A mechanic help push me out of the road. He told me that as soon my car cools off it would crank again and that it was problem my car when the iginition modules get too hot. Sure enough, after letting my car sit for about 1hr, it cranked and I was able to complete my trip.

Once, in NC I replaced the ignition module and ignition coil. However on my trip back my car again shut off me on the interstate.

I pulled off to the side of the road, and allowed the car to sit for about 30mins. It crank and I was able to complete my trip.

Both times when the car shut off, I was burning my AC. After restarting on each trip, I cut the AC off and experienced no additional problems.


1) Is there anything I can to do minimize the supposedly common iginition module problems.

2) IS the AC related to the ignition module malfunction or just a coincidence.

PLEASE HELP!!!!!!!!!!!!!!!

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posted 07-07-2004 10:58 PM           Edit/Delete Message   Reply w/Quote
I'm thinking the catlitic converters maybe partly clogged. You can have a shop use a heat gun and see it the temp on the pipe befor and after the cat is the same or less. If it's the same the cat is bad. Just ask them and they will let you know.

As far as the module goes there was a nation wide recall and a class action law sute. So if you have your reciepts ya may wish to pay a vist to Ford. I got wo law sute in the mail but rather not trouble Ford after the Firestone incedent.



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posted 07-07-2004 11:01 PM           Edit/Delete Message   Reply w/Quote
Sorry one more idea, couple of more things such as a fuel pump, pump relay. or a ECC relay can shut off and engine. There was a past post of a ground being bad near the battery. I figured if the cat's were OK ya might look into this.



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