Latest two tanks, 85% HWY to and from TN to FL:
1) 24.98 MPG
2) 25.21 MPG
I'm pretty sure I have a DPF issue. The truck is for sure in regen mode more than once per tank. I know I'll get regen 2-4 times a week. It seems like every other day I'm in regen mode. Off to the dealer soon..