99 7.3 trans issue???? - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 5 (permalink) Old 01-29-2016, 03:20 AM Thread Starter
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99 7.3 trans issue????

i have a 99 f250 7.3 auto and i ordered a TS 6 position and put on it... after installing the programmer took it up the road... done well for 15 or so minutes... then took a shift like it went into neutral and went back into gear... then acted like it was slipping real bad and went to the rev limiter... took the programmer to stock and now it dont want to shift without letting out of the throttle and allowing it to shift... my computer code is NVK2 the programmer had NVK4 on it... is it a trans issue you programmer issue or something else? thanks for any imput
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post #2 of 5 (permalink) Old 01-29-2016, 12:00 PM
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Re: 99 7.3 trans issue????

If it's back to stock and still doing it I think the trans broke.

Mark
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post #3 of 5 (permalink) Old 01-29-2016, 01:28 PM Thread Starter
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Re: 99 7.3 trans issue????

trans or convertor?
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post #4 of 5 (permalink) Old 01-30-2016, 12:13 PM
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Re: 99 7.3 trans issue????

Yes, one of those two. Without tearing the trans down I can't tell you which one.

Mark
Former Ford Automatic Transmission Engineer

“The good thing about science is that it's true whether or not you believe in it.” ― Neil deGrasse Tyson
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post #5 of 5 (permalink) Old 01-30-2016, 02:49 PM
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Re: 99 7.3 trans issue????

the convertors in those trucks are known to be faulty. looks like either way that trans is coming out
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