![]() As soon as you notice the temperature going higher than it normally does, it’s a good idea to pull over to allow the engine to cool down. This is why it’s important to always keep an eye on the engine temperature gauge. If you continue driving your vehicle at that point, you increase your chances of engine damage the longer you drive. This means that your temperature gauge will continue rising until it’s all the way to the Hot end of the gauge. In the situation where the thermostat is stuck closed, it will prevent coolant from flowing into the engine. As you’re driving, you’ll normally notice the temperature gauge gradually creeps up until it reaches about the midway point in the gauge, which is the optimal engine operating temperature. When you first start your car, the needle in the temperature gauge should be in the Cold side if the car has been sitting for a while. See Also: Symptoms of a Bad MAP Sensor #1 – Temperature Gauge Reading Higher (or Lower) Than Normal If you don’t do this promptly, then your engine could suffer irreversible damage the longer it is overheated.īelow are 5 of the most common signs that will indicate a faulty thermostat in your vehicle. You should take it upon yourself to replace your thermostat promptly if it turns out that it’s faulty or develops a leak. Fortunately, there will be some easily recognizable symptoms that you will notice when this happens. When your car thermostat fails, it will impair the operation and functionality of your engine. But as long as you have a functional thermostat, then it will know when to perform either task. Cold and hot temperatures outside play a key role as to whether the thermostat is closed or open. The temperature of the environment around you is a perfect example of this. Of course, there are outside influences which may affect the temperature of the engine as well. This sustains normal temperatures in the engine which helps it maintain the quality of its performance. ![]() ![]() As you operate your vehicle, the thermostat is normally open for most of the time because the engine needs to consistently be cooled off from the coolant. On the flip side, if you leave your car engine running while you’re parked somewhere, the thermostat will likely remained closed because it takes longer to bring it up to operating temperature when simply idling (versus driving).Ī functional thermostat will know when the right time to open is because of a coolant temperature sensor which detects the current operating temperature of the engine. That way, it will cool the engine off and prevent it from overheating. This causes the thermostat to open and let the coolant flow right through the engine. As you drive your vehicle, the engine will get hotter. When your car has been sitting and you start it up, the thermostat will be closed. The main function of a car thermostat is to control the amount of coolant that goes into the engine. #2 – Sudden Air Temperature Changes Inside Vehicle.#1 – Temperature Gauge Reading Higher (or Lower) Than Normal. ![]()
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