An engine coolant sensor is a tool that measures the temperature of the coolant in an inside combustion engine. It’s usually positioned within the cylinder head or radiator hose and supplies enter to the engine’s digital management unit (ECU) to regulate the gas combination and ignition timing. A defective engine coolant sensor can result in plenty of issues, together with engine overheating, poor gas financial system, and decreased efficiency.
Testing an engine coolant sensor is a comparatively easy process that may be carried out at residence with a couple of primary instruments. First, disconnect {the electrical} connector from the sensor. Subsequent, use a multimeter to measure the resistance between the sensor’s terminals. The resistance must be inside the producer’s specs. If the resistance is simply too excessive or too low, the sensor is defective and must be changed.
