![]() Running rich will in turn cause the following symptoms: 1. In these situations, the ECU defaults to the worst-case scenario and assumes that the engine and the weather are cold. We’ve created a list of the most common symptoms and how to recognize them.īecause the coolant temperature sensor sends temperature readings to the ECU when it fails it may send incorrect or no data. When the coolant temperature sensor fails, your car will exhibit a number of symptoms. 7 Symptoms of Chevrolet Coolant Temperature Sensor Problems To fix this problem, you will need to clean the sensor and then replace it. This can prevent the sensor from accurately detecting the temperature of the coolant or functioning at all. To fix this problem, you will need to repair the leak and then replace the sensor.įinally, coolant temperature sensor problems can also be caused by direct damage to the sensor. If there is a leak in the cooling system, the coolant level will drop and the sensor may not be able to function properly. Another potential cause of the coolant temperature sensor problem is a coolant leak. To fix this problem, you only need to replace the sensor. This can cause the ECU to take action when there is no need, or the water pump to not take action when it is necessary. It may therefore not be able to accurately detect the temperature of the coolant. This may result in the sensor not working properly. One potential cause of coolant temperature sensor problems is dirt or grime accumulating on the sensor. Causes of Coolant Temperature Sensor Problems Cleaning the sensor can be done, but it’s rarely worth it as a new sensor is quite cheap and will last a lot longer. It’s also important to understand what the coolant temperature sensor does and how it works.Ĭhevrolet coolant temperature sensor problems can be caused by loose wiring, but it’s completely normal for the sensor to fail after several years of service. If your Chevrolet has been experiencing coolant temperature sensor problems, there are a few potential causes and fixes that you can explore.
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