Hello! I have had an Audi TT Roadster, 225ps, 1.8T, Quattro for about 4 months. I have recently had the problem that it can happen, most of all in the stationary gas and when driving off, the engine stutters, jerks or runs completely and sounds like it is running on 3 cylinders. This problem always occurs at a maximum of 2-4 seconds and after that it is over again and everything works perfectly. It also happens not only at the cold start but also when I use the car more than an hour ago. Drive an hour of motorway, then leave the motorway and drive at a traffic light and then want to go off, the whole thing always happens between 800 and a maximum of 3000 turns. Very funny, the car can work perfectly but this problem occurs therefore about with each drive the approx. 15 minutes lasts 1 to 2 times. Was today in the workshop (AUD), which then renewed the air mass meter and changed the spark plugs, further the air filter wilted and all this on G arantie since I bought the car with 12 months warranty. Unfortunately I had the problem already about 5 meters after leaving the workshop again at the first roundabout. Engine temperature was at 90°. Can anyone help me and tell me what that could be, or has had an experience with the same symthomas. I already used the search function but as already described the error does not occur with me ALWAYS and also NOT ONLY when the engine is cold. So always if the g no matter if it’s cold or completely hot. I don’t know what to do or say to my workshop anymore, they also told me that you don’t know what that could still be, or that the mistake is much more difficult to find because it only happens once in a while when the car is in the mood. If anyone has a tip for me, I would be very happy ……