this is a 2000 A6 ATQ, the oil temp gaugedoes not read for most of the time and will occationally and unpredictably get back functioning mode from time to time for a very briefmoment and then back to malfunction mode asengine gets to normal functioning temperatures in a drive. this observation was noted especially during the cooler temps. inhoter temps the gauge fails to function completely. what do you make of this?

 

am i gonna get any help from you nice folks out there on this prob? it is real.