DEF Usage 2014 Tiffin Red with Cummins Diesel
Just got info for an RV tour to the Maritime Provinces in Canada. They advise that DEF at the pump is not readily available in some areas. I always just fill when I get down to a half a tank so am no...
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50 to 1 is a good rule of thumb. ie: One gallon of DEF for every 50 gallons of diesel burned.
If you are really concerned about running short, pick up a couple of containers at Walmart (about $8 for 2 1/2 gallons).
If you are really concerned about running short, pick up a couple of containers at Walmart (about $8 for 2 1/2 gallons).
