How To Test Engine Coolant Temperature Sensor
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1. fill a cup or small container with ice and water. take a clean cup and fill it with about 6 fluid ounces (180 ml) of clean water and add few ice cubes to bring down the temperature. wait a few minutes to allow the ice to chill down the water. [5] the cold water will serve as a reference measurement for your sensor. Learn how to locate, test, and replace the coolant temperature sensor that tells the car's computer what the engine's running temperature is. follow the step by step instructions and use a digital volt ohm meter to check the sensor readings and variance.
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How to test coolant temperature sensor. any carin this video we will demonstrate how to test coolant temperature sensor on any car. all you are going to need. Start by locating the coolant temperature sensor near the engine or radiator. set your multimeter to the resistance or ohms setting. disconnect the sensor’s electrical connector and connect the multimeter’s probes to the sensor’s terminals. submerge the sensor in hot water and monitor the multimeter’s reading. A faulty coolant temperature sensor can also send incorrect high temperature readings to the ecu, making it inject a lean fuel air mixture into the engine. if cold starting the vehicle, such faulty readings will make it difficult for the engine to run because the little fuel won’t be enough to burn and turn on the engine in low temperatures. In this video i go through the steps on determining why you may have code p0115 and or p0125 ultimately, it comes down to two things, the harness connector.
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