Hey guys so I'm having some trouble with tuning on my 2012 6.7 Cummins. Under light throttle and cruise the truck runs fine and everything seems normal on the data logs but under about 75% throttle from about 1800 to 2100 rpms, the injectors rattle almost like a 12v tune and the truck loses power until i get out of that range. I tested this on stock duration, timing, and rail maps and it still did the same thing. Looking at the datalogs, there are two cells in the upper range that are zeros and i can see in the line charts where the duration drops from around 1000 us to 0 us then jumps back to normal levels once outside of the 1800 - 2100 rpm range under 75% throttle. On a completely stock tune the truck shouldn't be doing this. Is there a hard limiter or something that i am hitting that is causing this?