Starting Problems 1999 GT - Muscular Mustangs
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post #1 of 6 Old 08-28-2005, 05:54 PM Thread Starter
 
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Starting Problems 1999 GT

I have a 1999 'stang GT. Sometimes it acts like it doesn't want to start like it is an electrical problem or dead battery. Has a brand new battery so that is not it. Other than the IAC fix is anyone aware of this condition? Repair shop replaced the altimeter control valve... whatever that was and it was fine for a while but it is right back to the same problem. If I did not know any better I would suspect an ignition key problem.

Thanks.
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post #2 of 6 Old 08-28-2005, 07:12 PM
 
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I assume the `99s aren`t all that different from my 2001 Bullitt and the GTs up through `04.
When the engine gets warm and you stop for a minute or two (run to the market, liquor store for beer, etc.) the car will crank but, won`t start.
They all do it and I know of no permanent fix.
The solution is to depress the clutch, turn on the ignition, take your time getting your seat belt fastened and then crank it.
99.5 percent of the time it will start right up.
If it doesn`t, wait a minute or two with the ignition on and do it again.
It has something to do with heat and the fuel rails....sort of a vapor lock.
Hope I understood the problem and this helps.
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post #3 of 6 Old 08-28-2005, 08:51 PM
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Are you sure it's not a starter problem?

Doc, I think I heard somebody say something like that once. It's some sort of vapor lock problem.
 
post #4 of 6 Old 08-29-2005, 08:59 AM Thread Starter
 
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Thanks for the responses. It is an automatic trans, sorry about the lack of detail, dummy me, Air, all the goodies, it happens in the morning when it is cool or anytime... :? I have checked all the grounds including the block to frame. Beats me.
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post #5 of 6 Old 08-29-2005, 02:11 PM
 
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Have you had the alternator checked out?
Actually the battery could be weakening and you would never notice it unless you took a battery tester to it.
Or, I guess a dirty fuel filter might cause it but, I doubt it.
Good luck.
Maybe someone else will come up with a better answer for you.
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post #6 of 6 Old 08-29-2005, 04:35 PM
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This all depends on what it's actually doing. Does it happen all of the time or at just certain times? (cold start in the morning, after a drive, etc)

If it happens at all times then it's likely something with the starter motor or battery/starter cables. On the other hand if it happens when the engine is warm (after a drive) it could be something like Doc said. (Vaper lock) Then again sometimes when a faulty starter motor gets hot (again after a drive) it will refuse to work so again that could be your problem.
Hope that helps



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