Tow/Haul Mode (is it needed in my case)
I have a 2008 Ford F-350 6.4L V8 diesel (my first diesel truck). With it, I tow a Starcraft Autumn Ridge 197FBH which had a GVWR of 6200 lbs. I also live in Colorado. My question is should I use the t...
Forum Discussion
Doubt tow/haul being on is the reason for your 9MPG towing. The 6.4s have always been known to be one of the more thirsty diesel motor. Bout the only way you'll ever see significantly better MPG is to delete the emissions on that truck.
