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WATER TEMPERATURE; WATER TEMPERATURE (FOR E.F.I.).SENSOR, WATER TEMPERATURE (FOR E.F.I.) SENSOR, WATER TEMPERATURE SENSOR, WATER TEMPERATURE
Engine Coolant Temperature Sensor - Repair or ReplaceIf your engine coolant temperature sensor has failed, you may notice one of several symptoms: your temperature gauge doesn’t move, your engine overheats without warning, your radiator fans don’t switch on, or they don’t switch off. If your Lexus has any of these symptoms, it's a good idea to let a trained Lexus technician perform an inspection.