Howdy!
Owned an 05 LLY, that I never shoulda sold.
Had a nice 2012 1500 for a while.
Now, I'm back in the game with a 2015 DenaliHD.
Great truck, loving it, till I found out about the fragile CP4.
I installed the Exergy FCA/MPROP (fuel pressure regulator) with the improved 20...