Just bought my A6 and discovered that the oil and engine temp gauges are under reading. (water temp might reach 70 rather than the 90 i'm expecting it to read when the engine is up to temp.) Its a Dec 2000 A6 avant 1.9 with 153,000 on the clock.
As both gauges are affected I'm guessing that it might be something in the instrument cluster, rather than the individual senders. Any help or thoughts would be greatly appreciated. Its a great car and I'm loving it :)
Thanks in anticipation.