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 had a 2011 Duramax that I put 115K on and used the cheap stuff, I.E. Walmart Brand most of the time. Only DEF issue was with the two original defective NOx sensors.
