To keep the engine from overheating, cars use a fluid coolant that passes through a radiator. Any CarIn this video we will demonstrate how to test coolant temperature sensor on any car. It is not very hard to perform a specific diagnosis to tell if your coolant temperature sensor has a problem or not. You can always have your CTS replaced by an auto care professional. How Does an Engine Coolant Temperature Sensor Work. Typically, the coolant temperature sensor will be located in the coolant pipe. Related Article. Sometimes the sensor doesn’t send a signal saying the engine is too cold, … The Coolant Temperature Sensor's Function. These problems do not necessarily mean an issue with the coolant temperature sensor. That’s why in every engine, there is a coolant temp sensor to measure the engine’s fluid temperature and make sure it is at the right level. Even general wear and tear can cause the sensor to erode over time. They come equipped with sensors and gauges to help alert owners to potential problems or maintenance needs. While you can change the coolant temperature sensor by yourself, experts recommend that if you don’t have the required mechanical skillset, get a trained mechanic to replace it instead. From there, your vehicle’s computer will use this temperature information to either continue operating or adjust certain engine functions, always working to keep the engine temperature at an ideal level. Note that some vehicles have two coolant temperature sensors: While we mentioned that it is best to get a trained mechanic to replace your coolant temperature sensor, if you feel that you are comfortable of replacing it yourself, here is how to do it: Your car’s engine has to stay within a specific range of temperatures. Assuming that you confirmed a problem with the coolant temperature sensor, then you must replace the piece. But how does this car temperature sensor really work—and what’s its purpose? When the signal is sent to the ECM, the computer adjusts the vehicles ignition timing, fuel flow, and other factors that trim or enhance performance based on the coolant temperature. A coolant temperature sensor is located inside or near the engine of your car. For example, it is well-known that the coolant temperature sensor will not perform properly if it is not fully submerged in coolant. Instead, there is a tiny ‘light’ symbolizing the engine temperature; which is … Any small problem with the coolant temperature sensors can result in wrong signals sent to the car’s computer and, therefore, poor engine performance or “engine misfire.”. As with any other component in your car, the sensor can go bad over time and fall into disrepair. That been said, any engine has to have the optimum amount of coolant fluid around it, and the temperature has to be monitored continuously to avoid overheating and engine failure. This device works on the principle of dependence of potential difference in temperature. This can cause a range of problems, including overheating the engine. In this case, you must have the car parked on a flat surface like your garage, for example. For the testing process you will need to turn the engine on. Universal Radiator Temperature Sensor Adapter provides tuners with sensor port for installation of a water temperature gauge, so hazardous fluids can … In this section, we will provide you with an overview of the most frequently asked questions about the coolant temperature sensor. Recheck the coolant level after one hour of driving the car and ensure that there is no drop in the coolant level. Related Article, Did you know © 2020 Cash Cars Buyer. Everything You Need To Know, Things To Keep in Mind When Test Driving a Used Car, Tips For Maintaining a Used Car and Keeping it Operational, Everything and More You Need to Know About the Ford Bronco GOAT System. 1-800-634-6353 The sensor works by measuring the temperature that’s being given off by the thermostat and/or the coolant itself. The sensor keeps tabs on the operating temperature and alerts the on-car computer when there’s a potential problem. Upon measuring the coolant temperature, the sensor passes on a signal to the […] A DTC will be set if an abnormal reading occurs, P0116 for sensor performance, P0117 low input or P0118 for a high input. The most common cause of faulty temperature readings is a broken coolant temperature sensor (CTS). Something to note, though, when replacing the piece, keep in mind that it is fully submerged in the coolant fluid. For the part itself and depending on the car’s type, expect to pay between $123 and $167 for a coolant temperature sensor replacement cost. However, if there is a leak somewhere, the coolant level can get reduced and cause problems to the coolant temperature sensor. On most vehicles, the coolant temperature sensor (CTS) can be found somewhere near the engine thermostat, which allows it to function optimally. Explore helpful auto care tools, tips and videos you can use right now. A coolant temperature sensor is confined to the engine of a vehicle. recommended because you don’t want to risk running the vehicle with a faulty one. Prepare the required tools and safety protective items, Bring the vehicle’s service manual so you can refer to while doing the job. Related Article, Did you know The coolant temperature sensor (switch) utilizes electrical resistance to measure the coolant's temperature. The part, which is normally located near a vehicle’s thermostat near the base of … If tap water was used instead of the special coolant, the elements in this water can cause major problems to the radiator and, therefore, the coolant temperature sensor in the long run. The computer is calculating an air/fuel mixture that is too lean. Therefore, you must keep an eye on any issue with the coolant transmission sensor. As a result, the engine can get overheated very fast, which might damage it completely in a very short period. The coolant temperature sensor, also known as the coolant temperature switch, is an engine management system sensor that is used to monitor the temperature of the engine’s coolant. Air Temperature Sensors measure the temperature of the incoming air to the engine. Did you know May be to blame with complete engine failure computer when there ’ s temperature has be... Somewhere, the sensor to avoid complicated engine problems that might lead to engine failure your. 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