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 is DEF, buy whatever has the lowest price. I do have concerns with dirty nozzles at truck stops, but many use it with no problems. Walmart most likely has the best price on their own brand.
