I have a 2014 2.0 Turbo with almost 50,000 miles. Over the last two months I have noticed a shake or shudder when starting from a stop. It always happens from 13-15 mph with nothing before or after those speeds. It also has to be during light throttle like starting in traffic. It doesn't do it every time, but will occur at some point during the drive. I have had it to the dealer on different occasions who cannot feel anything. The one opportunity I had the time to ride with the tech, I drove it for about 15 minutes without it doing it at all. Has anyone experienced this and found a solution?