FYI the back pressure gets relatively high 30 seconds into the regeneration and stays high during the entire burn event.
Once the regeneration stops, it will drop back down.
The Forescan App and Data Logger clearly shows this.
Of course Ford thinks it should be kept as a secret from us that...
Myself: I first reported this issue to Ford in September 2014 at 4100 miles on a new Super Duty F350 3 months in. It is right at a year later, and still no resolution. To deal with the issue, as soon as I go into active regeneration, I immediately drop gears from 6 to 4 or 5 to 3. This...