Have an ongoing aircon problem and im now at a loss what to try now!! Had the usual problem where the Econ light wont turn off so had a re-gas. All fine and dandy for a couple of weeks and then the cold air stopped, yet I can still turn the Econ button on & off at will. Vagcom says that potentiometer ref V158 is faulty, which apparently controls an air flow flap inside the dashboard. Fitted the new potentiometer today and im still not getting any cold air, agggghhh!!! Vagcom is now showing no fault codes so im stumped!!!! Anyone got any bright ideas????? Really dont fancy a trip to the stealer!!