Originally Posted by intenseblu

you do not lose the actual obd system memory just the info it gathers... he failed inspection cause his emission checks were not run since he did not drive the car enough after he fixed his battery issue. there are a few emission checks that are only run when certain conditions are met such as speed and throttle positions. his dealer ripped him off, he could of just driven around for a week and passed inspection no problem ... no different than what they did using their drb3 tool.