lol sweet I work at the chev dealer across the road from the strip joint in town lol. shouldn't be hard to find me lol. oh and there is Tim Horton's there to.. oh and ya I hate when computers don't want to talk to each other. chev scan tool does that to sometimes and when programing goes horrible it really sucks!!! I have had a re flash crash and take out the computer before sucks balls dude lol esp for the customer even if it's warranty they can be without a car over it for a few days waiting for parts.. glad to hear you don't have a EGR I have seen that bo-yah! up but usually you get a lot of running problems to. glad to help I don't mind helping people with advise and are willing to try testing stuff for them self's.