L3 Easy Analog Stick Fix;"won't sprint"-PS4 - YouTube
Scuf Impact L3 Issue (Sprint Not Working) - YouTube
Where is R3 on PS4 Controller? Learn where to find the L3 & R3 buttons
How to fix Dualshock 4 L3 & R3 buttons & SPRINTING - YouTube
How to Fix Sprinting on PS4 Controller: 3 Steps (with Pictures)
Why isn't anyone saying anything about this issue with the PS4 controller? The L3 button literally just doesn't work, everyone has the same problem, in every game that requires you to sprint,
Where Is L3 On A PS4 Controller? - The Gadget Buyer | Tech Advice