Corsa-B.uk - Vauxhall, Opel and Holden Corsa B Owners Club

hi guys,

just failed my mot, managed to get evrything sorted but the emissoins is comming out with dogy readings and the rpm couldnt be meassured as the idle dosnt seem to be stable, do you think the idle control valve is causing the problem ?

cheers
sam

could be, paperclip test or if not possible check out the guides section for details in cleaning it