I have a 05 gmc 6.6 with 130.000 miles on it, first problem with it. Truck sterted fine then after about a mile engine lost power & I limpped it home. I check all connections ,thy seem fine, restarter truck and it ran fine , no engine light on yet. I thougt maybe fuel filter, picked one up at auto store, and changed it. Took truck for a drive , just about the same spot , truck acted up again, limmped home again, engine light on this time. that was thusday night Had to drive wife's car to work on friday. Got the code reader from work & thats wear I'm at any help would be appriciated.