I don't have a clue what fuel rate should be, I am using an Autel scanner and parameters that the scanner thinks are out of spec light up red, its been pretty accurate with other vehicles so I was assuming that it was in this instance as well.
So a little more info on the the "long story...
Alright guys ill keep this as short but detailed as I can:
2005 topkick, LLY with allison tranny. Long story short, truck had gasoline put in it and catostrophic engine failure, swapped a junkyard engine in and flushed tank and lines. Didnt have any issues for 2 months, DROVE back into the shop...