6.4 tranny problem - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 12-19-2013, 08:40 AM Thread Starter
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6.4 tranny problem

I've got an 08 f250 6.4 dpf and egr delete h&s mini maxx. Had mini maxx about 8 months. Tried the default transmission setting the s2m and now the s2l setting but 4th gear shifts hard. That's the only gear that seems to shift that hard. Drove each setting for about 2 or 3 months hoping the transmission would adapt and shift smoother. Any ideas.
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post #2 of 3 Old 12-31-2013, 02:40 PM
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Mine does that but in 3rd gear every now and then. I haven't don an update on the minimaxx on it since I have gotten a few years back. It acts like it is in neutral then slams into gear.

2010 My Wife has 2 Full time JOBS NOW
2008 F250 H&S MiniMaxx, S&B CAI, and cat/pdf delete
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post #3 of 3 Old 03-12-2014, 06:10 PM
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Ajhester did you find a solution to problem? I have same problem
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