my sister got a 94' teg and she has done most of the usual maintenance for when you get a new car and every since sh got the dam thing the ABS light wont turn off and i thought that she might need to change her brake fluid but when we did it didnt fix the problem do i was wondering would the master cylinder going out cause the light to come on??? if not what do you think it is???? or could be??? any answers will help a lot thnx everybody!