Still patiently waiting. Do you need more info? Darren

It does not seem to happen in the 40 hp setting but the 60, & 100 hp it does. Darren

I am using the 60 horse fuel economy tune most of the time, but use the 40 & the 100 occasionally. Darren

Pulsing problems with 6.0 deisel. I installed a U7165 in my used 2004 F-350 and the truck shutters or pulses when I accellerate hard. Spent the time to have it looked at by a tranny specialist and he said it's an engine problem. Spent the time to have a diesel specialist look at it and he ...