what could cause the temperature not to rise correctly?

Question

Temperature goes up while Sitting still. According to the sensor. I don't really think it's the thermostat because I have heat coming from vents. And when Sitting still it gets closer to the normal operating temperature.  Around 185°F. And the coolant level is Ok. What could be the problem?

Answer 1

HI there

This is usually the result of the cooling fan not working properly, air in the cooling system or a problem with dirt blocking the cooling fins on the radiator. These can all cause the temp to rise when idle.