Hi, new to the forum. I've seen some of the turbo posts, but I haven't found exactly my issue. First, I believe my turbo is working. The turbo needle does go to close to 3/4 across the gauge and it does kick-in. What I do experience is best described as like clutch slipping. No issues unless I'm accelerating. When you get on it in any gear at WOT, it feels like I'm "surging". I have read about people recommending a valve solenoid replacement. I have a 2014 with 120,000 miles and this is the first issue other than normal maintenance. Help!