But it never tells you what that problem is. I’m personally not a great fan of check engine light because it tells you that there is a problem. If anything goes wrong with your car’s electrical system, then check engine light is the first thing to appear on your dashboard. Let us take a closer look at the symptoms of lousy coolant temperature sensors. Symptoms of a Bad Coolant Temp Sensorįollowing are the significant symptoms of a bad coolant temp sensor: This engine temperature is displayed on the temperature gauge in your dashboard. The temperature of the coolant also gives an estimate of the amount of heat generated in the engine. This way, coolant temperature is measured. The amount of resistance offered by the coolant temp sensor is calibrated against readings on a temperature scale. When the engine starts running, the engine control module sends a voltage signal to the coolant temp sensor. How Does A Coolant Temperature Sensor Work?Īn engine coolant temperature sensor is made up of resistors. Instead of liquid coolant, this steam becomes the working fluid of your cooling system. If the coolant becomes too hot, it can cause many problems for your engine.Ĭoolant is converted into steam when it starts boiling. The coolant is the soul of the cooling system of a car. Keeping a check on coolant temperature is very important. Overall engine temperature is measured by estimating the amount of heat the engine gives off when it is running. In addition to this function, it also measures the overall engine temperature. Where is a coolant temperature sensor located?Īn engine coolant temperature sensor is also known as CTS or ECT sensor, as it is evident from its name that it measures the temperature of the engine coolant.Can a bad coolant temp sensor put your vehicle’s engine in limp mode?.How long can you drive with a bad coolant temp sensor?.What parameters are controlled by the coolant temperature sensors?.What is the average life span of a coolant temperature sensor?.Engine Coolant Temperature Sensor Replacement Cost.
#Engine coolant temperature sensor how to
How To Replace a Bad Coolant Temp Sensor?.How Does A Coolant Temperature Sensor Work?.This article will explain the signs of a bad engine coolant temperature sensor in great detail. At the same time, MAP or fuel rail pressure sensors have different primary functions.įollowing are the most common symptoms of a bad coolant temp sensor: Since the coolant temperature sensor is primarily responsible for keeping the engine’s temperature under check. But coolant temperature sensor will cause most problems regarding an overheated engine. For example, the majority of sensors cause engine overheating when they go bad. The extent of symptoms also differs between various sensors. You can only get to the root cause of the problems if you keep a keen eye on the symptoms. The reason behind it is the similar kind of signs these sensors give off before going out. People often confuse a bad coolant temperature sensor with a lousy manifold absolute pressure sensor or bad fuel rail pressure sensor.
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