hi all i have used all the snap on scanners well red brick, solus , modis and verus had no probs after having a lesson from Mike Whitworth (many thanks) but the later updates do it differently to early ones they always tell u code in firing order but u code in injector to cyl have messed about and tried it different ways but now never fail once u understand ure machine and the way it does it, even had a discussion with Gary from snap on the other night on the subject, Tony