I can tell you, clean your MAP sensor and EGR diffuser tube. Keep them clean! I’d also take the oil pan off an remove any sludge you can find at some point.Bought a 2015 Ecodiesel in the last 6 months just wanting to check out mods, tunes, etc. everyone is doing. Truck runs like new and had about 92k miles on it at purchase. It’s bone stock….can’t handle it anymore lol