my vag laptop had 18 faults ,, cured 14 of them mostly due to to earth faults under battery and bits and bobs , 4 left to of them point to throttle problems .. ,, think I have same prob as you ... my vag specialist guy carnt figure it out . it drove fine yesterday and boosted at 26 etc ,, but today boosted at 5 max and cut of every time I went over 2.5 k revs it cut out