![]() ![]() If you see a check engine light on your dashboard, it is time to check the trouble codes with an OBD2 scanner. If the computer detects any problem with the sensor’s circuit, it will illuminate the check engine light, indicating that the car needs an inspection. One of the first signs of all coolant temperature sensor symptoms you will probably notice is that the check engine light will show up on your dashboard. Here is a more detailed list of the signs of a bad or failing coolant temperature sensor to look for: 1. The most common symptoms of a bad coolant temperature sensor include poor mileage, cooling fans not coming on, engine performance issues, an overheating engine, and a check engine light on your dashboard. And when you decide to do that, make sure to choose the best in quality spares directly from GoMechanic Spares.Conclusion Symptoms Of A Bad Coolant Temperature Sensor Thus if you happen to live in colder climates, or are driving in winters make sure to check your heater as well.Įven though problems with the thermostat are virtually impossible to avoid, a smarter step would be to replace a failing unit before it becomes a bigger pain. This means coolant will keep on flowing to the engine even when it doesn’t need it. If you happen to live in colder environments, it is highly likely that your thermostat will be stuck open rather than being stuck closed, this means that you will experience a heater malfunction rather than an overheat. Resembling a knocking, boiling or gurgling sound, these strange noises can indicate a failed thermostat and a lot many problems in addition to it. These noises can arise from within the radiator, or the engine or even both. If temperature changes weren’t enough, you will also experience strange noises from within the engine bay. Must Read: Which Is The Right Coolant For Your Car? | Coolant Colours Explained Even if the thermostat isn’t faulty, make sure to get your vehicle checked up. When this happens, a prominent coolant leakage can be noticed. This means that when the coolant tries to reach the radiator, the thermostat blocks its path leading to an overflow of coolant that escapes from the thermostat housing. Generally, in most thermostat failures, the component is usually stuck closed. One of the most crucial signs of a failing or failed thermostat is coolant leakage. GoMechanic Spares: One Stop Destination For Authentic Spares If you happen to notice that the temperature inside your cabin suddenly drops and then rise again, this can be a sure shot symptom of a failing thermostat that requires replacement. Higher Cabin Temperature / RepresentationĪnother common symptom of a failing temperature gauge is sudden temperature changes inside the vehicle. While if the thermostat is stuck open, the temperature will likely stop before reaching the mid-point.Ĭheckout: Why is your Car Overheating? Vehicle Cooling System Explained This means that if the thermostat is stuck closed, the temperature will continue to rise dangerously. However, if there’s any malfunction with the thermostat, the coolant flow to the radiator will be affected. When you start up your vehicle after a long rest, you will usually notice that the temperature gauge starts out from the cold side and eventually rise up to the mid, which is actually the optimum engine temperature. Here are 5 symptoms of a failing thermostat. But before the component fails, it will generally give out a few warning signs. While the proper functioning of a thermostat is a must, in case the component fails, it can lead to disastrous outcomes. And the component that is highly responsible for regulating temperature changes in a vehicle is a thermostat. Just the way our bodies are affected by unusual temperature changes, cars too function in a similar manner. It is a well-known metaphor that cars are much like humans. ![]()
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