CougarnewbieExplorerDec 08, 2020Stale DEFBecause of Covid my F-350 6.7 diesel has been garage kept since February. The DEF tank is full. DEF has a shelf life. Should I be concerned enough to consider draining the old DEF? My first diesel. T...Show More
Grit_dogNavigatorDec 09, 2020Afraid to drive because of the Rona?Some things are a mystery. Almost as confusing as being afraid to camp because of the Rona....May as well empty the tank because you won’t be driving it next year either based on current logic.