A4 Cabrio Temp Gauge

[mja4cab]

Hi, the temp gauge on my a4 cabrio has just started to rise and fall at random!
Any ideas?
Cheers mark.

 

[itsmeagain]

Sounds like the thermostat, may be worthwhile getting it checked out and changed

 

[drewbee]

I had the same problem. Get a new temp sender, about £20 and bobs your uncle.

 

[mja4cab]

Thanks,will get it checked out!