victoriaa_73

Hi, I just bought a used A6 3.0 2003 Audi, it has 141,000 miles on it but it has the check engine light on. I wanted to know if I buy the Tuneup parts from audi agency, can I do it myself? And the oil change? What kind of oild do these cars need and what are my cost for the oil change, brakes , and tunup? If someone can give me more info on my new car, I would really appreciate it. Thank you.