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in this video we are working on a 2008 vw jetta with a 2.0T engine, the customer complaint is that the vehicle air conditioning system blows warm air, in this video I would like to show you how to diagnose this system using a scantool looking at trouble codes and data pids, more importantly how to reference one data pid that is extremely helpful and on to using a basic A/C manifold gauge set to check and verify static pressure, I hope you enjoy this video and thanks for watching.