- Jul 31, 2020
- Reaction Points
- Winthrop, WA
- Current Ride
- 2020 F350 6.7L Platinum, Blue Jeans Metallic, Dark Marsala Leather
How many miles are those of you with 6.7's getting when DEF gauge reads full? Mine seems to jump all over. Initially 4000 miles and now 1900 when filled. Seems to drop 400-500 miles when only traveling 100 miles. Weird!