Originally Posted by Medic97
One more thing to add: According to Ford service; in order for the gauge to reset when adding DEF, one must fill tank. Otherwise if just adding fluid, the system will not know how much it has.
When my warning comes on I normally just dump in 2.5 gallon jug and resets. The only time I filler up is when I use the filler in the truck lanes.
2017 Solitude 310GK-R Pick Up Oct 24th.
Sold 2016 Keystone Montana 3711FL
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2015 Ford F350 SRW Cargo Capacity 3744