Quote:
Originally Posted by Three_thirty_I
This is the crazy thing! The agents had the car for this after a specialist had picked up that the engine was constantly running cold, so they initially thought it was the thermostat and then changed their minds thinking that it could be the coolant temperature sensor. But the agents claimed they could not find anything wrong, translation, no codes came up. And they can't perform live tests anyway, at least so I was told. Now the thermostat is probably the problem, but it could even be something with the ECU since it is suppose to control what the thermostat is doing. All I can think is that the thermostat is stuck open...
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I read here in the forum that if you can feel or press the top hose on the radiator when cold, if you can feel water circulating it means the thermostat is in fact stuck open but if you dont, then ur thermostat is not the problem.
Thermostat should always be closed when cold and open when hot.