Originally Posted by Dave Nowlin
I have had the recall done on my truck.
The ticket says PCM and NOX sensor recalibration.
It doesn't say anything about replacing them.
If and I do say if, the NOX sensor sends info that helps determine the fueling strategy, I wonder if it will end up improving or hurting fuel economy.
If their history serves as any indicator, the 6.0L had this same label on one of the strategy updates and while it helped with some of the injector problems, fuel mileage suffered. I hope that this isn't the case for the 6.7.