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
DEF has an expiration date, as well as temperature storage requirements. If it is stored in an area that is too hot or too cold, the shelf life decreases.
The best way to get fresh DEF is to buy it in bulk from a high volume truck stop - at the pump. As an added bonus, you can fill your tank 100% each time (not guessing how much you have used), and it is also the least expensive way to buy.
The best way to get fresh DEF is to buy it in bulk from a high volume truck stop - at the pump. As an added bonus, you can fill your tank 100% each time (not guessing how much you have used), and it is also the least expensive way to buy.
