Re: Sprint does not work on PC using controller or using Shift on the keyboard.

I use a Scuf Prestige. I just recently fixed this issue. Turns out it was not an issue with the game. I had to “loosen” my triggers a little bit and it fixed the issue. Not sure why this caused a problem with the sprint. 
But maybe if you have the option to tighten and loosen your trigger sensitivity that might help you