Temp gauge issue

[joe_echo]

My temperature gauge has become some what tempermental over the last few weeks. Im not sure it its the actual gauge or the sensor thats faulty but it takes forever to get to 90 and even then it sometimes then drops back down when I head round corners and over bumps.

Do you think its an gauge issue or sensor?

 

[@udi A3]

Check and clean the earths under the battery. does the fuel guage do the same? Also check coolant level. There is also a function if u have climate control to read the coolant temp on the display to compare.

Slow to 90 could be a stuck thermostat.

Mine did this before my dash went kaput!

 

[joe_echo]

Its just the temp gauge that does it. thats the only issue my dash has.