You might want to check your coilpacks to make sure you're not getting missfire.
-Check coil packs
-Check computer to make sure you're not getting any missfires
-if all fails take it to the stealership and let them rip you a new one.
I would also recommend contacting your local dealership for more information if you are not able to pinpoint the concern. I can also look into this for you with your VIN. Feel free to contact me via private message as well. Thank you in advance.
A forum community dedicated to all General Motors truck owners and enthusiasts. Come join the discussion about performance, lift kits, wheels, tires, modifications, troubleshooting, maintenance, and more!