Two problems related to engine stall have been reported for the 2012 Ford F-250. The most recently reported issues are listed below.
On 28 September 2012 I purchased a new 2012 Ford f250 diesel pickup from a Ford dealer. On/about 1 November 2012 while accelerating (from approximately 10 miles per hour speed) into an interstate traffic lane this vehicle suddenly went into an engine near stall/loss of power condition which lasted approximately three to five seconds and then regained normal engine power. This was a very alarming condition as I was entering into high speed traffic and needed capable acceleration while entering into traffic. The truck had approximately 450 miles on it when this first occurred. I took this truck back to the dealer when the truck had 551 miles on it and they could not find anything wrong. While driving the truck on 27 November 2013, this same engine near-stall event occurred under a similar highway ingress condition when the truck had approximately 5,100 miles on it. I called the Ford customer service hotline and was advised to take the truck to a Ford dealer for a second checkup. I then took the truck to a different Ford dealer on 6 January 2014 when the truck had 5,510 miles on it and they could not find the problem. Neither of the two Ford dealers that I've taken the truck to for diagnosis will provide me with a further course of action to fix this recurring engine malfunction. I want this malfunction fixed or a new pickup to replace it, it creates a personal safety hazard for me and my family and the problem has been in the truck from when it was only a month old and had 450 miles on it.
The truck engine will stall at low speed for one to five seconds, especially dangerous if you are trying to enter traffic. I have reported to northside Ford every time I have it serviced, they finally agreed that I have a problem, however they have failed to fix . I get the impression that Ford is aware of this problem,but for their own reasons do not want to fix it.