I have a 99T 1.2sxi Corsa and need to replace the idle control valve.I have been told by the guy on the parts desk at my local Vauxhall dealer that when I replace it the ECU will need to be re-set which involves clearing the memory of the computer and restarting it with the latest software downloads. This stinks of a main dealer trying to remove more pennies from my pocket. Does anyone know a trick of the trade for getting round this as the car is on it's last legs anyway and I don't want to throw any more money at it than I have to. Thanks.