Volkswagen Jetta Engine Idle High

When You Put It In Park The Engine Revs Up Then Down To Normal Check Engine Lt Is On

When Car Is In Low Gear The Rmp's Go Up And Down. When I Give It Gas It Acts Like It Does Not Want To Go And Revs Up. I Let Off The Gas...

I Have A 2001 Jetta Wolfsburg Edition And When I Come To A Stop It Revs Up And Sometimes It Will Stall What Could This Be?

I Am Driving And When I Reach About 40 Miles Per Hour The Engine Revs Up I Thought At First It Was The Transmission It Acts Like Its Going...