98 V6 cuts out and won't start - wait hours, starts and runs fine... - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 6 Old 06-02-2008, 08:19 AM Thread Starter
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98 V6 cuts out and won't start - wait hours, starts and runs fine...

This is actually my buddies car. This has happened twice. When driving, it cuts off when you come to a light. It will not start, just turns over. Wait a few hours and try it, fires right up and runs fine. What could be causing this?


'88 5.0 LX - AOD to T5 swap - 3.55, alum d/s
TFS1 cam, 1.7RR, GT40's, ported cobra U/L, 24#,
70mm, BBK L/T, flows, x-pipe, nitrous,
5-lug conversion, 17x9 bullets - ALL being assembled.
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post #2 of 6 Old 06-02-2008, 05:16 PM
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have the coil tested, you can do this by testing resistance (ohms) across the wire harness pins. Compare your readings to a new one.
-Thomas

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post #3 of 6 Old 06-03-2008, 05:03 PM Thread Starter
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Thanks Thomas. Anybody else had this happen? It will run fine for weeks and then mess up.

'88 5.0 LX - AOD to T5 swap - 3.55, alum d/s
TFS1 cam, 1.7RR, GT40's, ported cobra U/L, 24#,
70mm, BBK L/T, flows, x-pipe, nitrous,
5-lug conversion, 17x9 bullets - ALL being assembled.
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post #4 of 6 Old 06-11-2008, 04:18 PM
 
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I have a similer situation in my 2000. Runs great but it seems if it gets hot or on a long run, say 3 hrs or more, it starts to lose power. I have to shut it off for a few seconds pop start it and it runs fine for a little longer. I have to keep doing this until I get to wher I'm going. I have a TPS and MAF sensor code coming up, both of which I have replaced (TPS 3 times MAF once) and still the same @#% happens. I think I have some bad wiring.
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post #5 of 6 Old 07-04-2008, 12:00 AM
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could be a mutitude of things.

- Clogged exhaust convertors
- Bad Thottle position sensor
- your mass airflow sensor needs cleaning
- bad coil pack

I vote bad coil pack though.
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post #6 of 6 Old 07-04-2008, 10:43 AM
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Quote:
Originally Posted by jgt58 View Post
could be a mutitude of things.

- Clogged exhaust convertors
- Bad Thottle position sensor
- your mass airflow sensor needs cleaning
- bad coil pack

I vote bad coil pack though.
clogged converters, bad TPS, and dirty MAF would not cause a no start problem.
-Thomas
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