Spanky06

As for the Auto Stop, you can disable it when you start the truck to drive it (At least on mine you can), you are correct GarandPappy, it is a PITA. I am averaging about 17 mpg btw. Spanky

Yes, I am liking mine as well, Great Truck as always, this is my 4th Silverado

Thank You Spanky

Hello all, I am new to this forum, but I have been a lifelong Chevy man. I recently traded my 2015 Silverado LT Z-71 for a 2021 Silverado LTZ and I went with the 5.3 as it has been great for me since my first Silverado in 2003. My new truck did not have the DFM due to the chip shortage, the dealer took 50.00 off the sticker because of that (SMH). My question is this, could I have DFM installed once the chip shortage gets squared away, this is assuming that there is an open chip slot in the present computer of the truck?. I had AFM in the 2015 and that worked like a champ my 2015. My gas mileage was great. 23 on the highway and 18 in town. All bets were off when I was towing my Bass Boat. Thanks in advance for any information and I absolutely LOVE my new truck