for 40quid u could drive quite abit to get to someone else with vagcom to have alook for you! though u risk having an internet mechanic look at your car if you dont know if they really know what they are talking about
Leegt, its quite possible, these sensors are a real pain in the ass, but i cant guarentee that will sort it. but if it aint then its probably the other which u say u already changed meaning atleast that'll be warrenteed