Okay so I've bought a 2000 a6 quattro with the 2.8L. I have a couple issues with car already the check engine light is on as well as the abs and air bag AND brake light all going. The check engine light is caused from an o2 sensor and collant temp sensor. I'm in the process of changing out the coolant one now. Old one looked like crap n had to go anyway. But the LCD is displaying a couple things and my oil temp gauge isn't going past the first line or so. I want to ask what can normal cause the oil gauge issue. Sensor pump exe. I'll post some pics of the LCD light later since car is currently not home. Any and all help will be Appreciated