2024 Ford F550 Super Duty Def Quality Sensor. Access quick reference guides, a roadside assistance card and. And, it gives me the 500 miles to empty warning when it has over half a tank still showing.

Check engine light, sluggish performance or erratic diesel exhaust fluid (def) levels could point to a failing def level sensor. 2024 super duty owner’s manual this view of the owner’s manual contains the very latest information, which may vary slightly from the printed owner’s manual originally provided with your vehicle.