Change your thermostat.
The 2008 Kia Sportage's temp gauge is located on the instrument cluster but is unlit. It illuminates momentarily when you turn the ignition switch on.
Aroun the middle of the gauge, 195-210
Commonly check the temp gauge on the dash.
Right there in front of you on the dash.
why doesn't my rpm gauge and temp gauge, fuel gauge not work
i have sort of the same problem on my dodge 2000 the temperature gauge recently went out and i replaced the sensor but the gauge always reads 0 your not alone with this one...
temp gauge is stuck on hot
1996 prelude temperature gauge reads low temp
that is rather unusual i would ask the dealership you brought it from and ask them and then go from there. Some vehicles have two temp sending units, one for the temp gauge and one for the ecm. The one for the gauge generally has one wire going to it, the one for the ecm may have two wires going to it.
A faulty thermostat might cause the temp gauge on the 2000 Nissan Altima to raise to hot when the car is not overheating. A faulty thermostat can cause the gauge to move up and down and might even turn the fan on.
only 3 reasons a temp gauge wont work the temp sender is bad the gauge is bad or the wire from temp sender to gauge is broken