Temp Gauage On Carinae Query

[cubix]

Shiner has the exact same problem as I do with his temp gauge on his dash as I do but like me is not sure what is causing it. The gauge is giving a false reading ie:it will rise above half way but when you tap on the perspec's of the dash screen it will fall back to its ideal spot(just below half way). So I am just wondering has anyone fixed this type of temp gauge problem?. As in is it a faulty dash gauge or is it something under the bonnet

Thanks

[cubix]

I know I posted this nearly a year ago but I finally got the finger out and changed my coolant and since doing this (4days ago) the needle has not been jumping around. Probally to early to say this is fixed it but for anyone else have the problem I was having might be worth a try before shelling out on a new switch for the dash

Cubix