2015 5.0 lariat problems
 

Hi All,
My 2015 5.0 lariat is having some issues. It has recently shut off twice when idle after getting off the highway. My front end has vibration when driving between 15-35 miles when coasting. Today, I made a right turn and when I accelerated it made a weird zip cord noise and it didn't seem to shift properly. My dealership can't get me until Friday. Any help on what might be wrong would be much appreciated.

Vibration could be tires, wheel balance or driveshaft angle.
I would start by rotating wheels front to back and see if the vibration changes.

Also, while the truck is vibrating, carefully put it in neutral to see if the vibration changes.
If it does, it could be your driveshaft angles.

"zip cord" noise I really would have to hear it to be able to give any input.

Did the dealer find anything?