i ran my 99 Audi a6 through the comp at a dealership and i got 2 fault codes ones p0118 (Engine Coolant Temp.Circ High Input).... and 2nd P0411 (Sec.Air Inj.Sys. Incorrect Flow Detected) not very sure about what they mean. i would like to know the seriousness off the problems, what they are, and if there are any simple repairs i can make.... TTTHHANKSS :wacko: