Originally Posted by martysmartie

As said first one to check is the CTS output, trouble is it's hard to do accurately unless you know the scales, i.e. Temp Vs volts.

Thing is it's a good idea to change them every so often and are cheap as well, I brought one but haven't fitted it yet as they are awkward to get to!

But if this was the suspect you would get problems when at running temp as well?

Martin