hi i just joined to dont really know how this works so here go please please could some1 help me i have a audi tt 225 ! i was driving it today and the esp light came on then it started playing about it kept cutting out at lights and juctions the revs were going up and down and now it seems fine but esp light is on plus the engin management light is also on now i tryed to swithing esp on and off and still the light is on please can any help me im so worried now!