New member. I have a 2006 GTI SE with the check engine code PO544 on - "Faulty Exhaust Gas Temeperature Sensor". Am told that it's not important to engine operation, but would like to fix. 3 weeks to get into dealer, but think should be easy to fix myself. Is it a big deal, or is it easy to fix myself and are there any diagrams on the web? Thank you in advance.