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6.7L Power Stroke Diesel 2011-current Ford Powerstroke 6.7 L turbo diesel engine

Another shifting issue

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Old May 27, 2012 | 12:41 PM
  #1  
bookem15's Avatar
bookem15
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From: E Washington
Another shifting issue

I just recently had the reflash done for the nox sensor and shifting issues and it cleared it up and was working great. My fuel mileage went up and all was good until last night. I just got back from another test drive and it is still doing it. It will shift from 1-2 and 2-3 fine but then in 3rd and 4th gears it will shift to 3rd and then feel like it shifts again into 3rd then when in 4th it will do the same thing again. When it shifts into 3rd or 4th the first time it almost feels like it is slipping but I am not sure. Anyone have this issue??? I am looking for any ideas or what others may have found when going to have it checked and or fixed so I know what to tell my dealer.

Thanks

Tom
 
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Old May 27, 2012 | 04:18 PM
  #2  
Andrew010's Avatar
Andrew010
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Joined: Nov 2010
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From: Altoona, Ia
Sounds like the torque converter locking. Mine does something similar to that and I notice it most in 3rd and 4th gear.

You might have other issues if this is just starting though, as mine has always done something similar to what you're describing.
 
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Old May 27, 2012 | 06:59 PM
  #3  
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2ndStroke
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My truck has been flashed twice now, runs and shifts like brand new... after a week or so the shifts get crappy again.
 
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