Blue DEF
Just wondering about DEF for your diesel trucks. My dealer that I bought my truck from said just use Blue DEF and nothing else. I talked to another camper with a diesel truck and he said he buys the...
Forum Discussion
I fill my DEF maybe 1-2x/yr. W/o looking at specific expiration dates, I may have old DEF in truck's tank, then add new/old DEF at fuel stop when I top off. Guess I'm in a bad situation. LOL Seriously tho, that is my case and ever since my '15 DEF required truck, I've filled up at truck stops w/o any problems. Any problem I did have was on the truck side of things (ie: DEF heater). If you do fill up at a truck stop, just wipe off end of nozzle before inserting it into your tank if tip of nozzle is a tad cruddy. However, more than likely it won't be due to high use of it.
