Automatic trans flash update.
Registered User
Joined: May 2011
Posts: 39
Likes: 0
From: Tampa
I've noticed about a 1mpg loss of fuel mileage with the new shift program.
The vibration isn't noticeable anymore but when I'm towing the shift from 4th to 5th is accompanied by a pretty hard clunk. But my old F-250 shifted hard through all the gears so I'm not worried about it.
The vibration isn't noticeable anymore but when I'm towing the shift from 4th to 5th is accompanied by a pretty hard clunk. But my old F-250 shifted hard through all the gears so I'm not worried about it.