Description: Water Temperature Sensor (FOR E.F.I.) part number 89422-35010 Engine Coolant Temperature Sensor - Repair or Replace
If your Engine coolant temperature sensor has failed, you may notice one of several symptoms: your temperature gauge doesn't move, your Engine overheats w/o warning, your radiator fans don't switch on, or they don't switch off. If your Toyota has any of these symptoms, it's a good idea to let a trained Toyota technician perform an inspection.