Iat Sensor.
Temperature Sensor for Engine Coolant.
IAT SENSOR
Fits XC90 (2003 - 2007)
Engine Coolant Temperature Sensor
If 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 Volvo XC90 has any of these symptoms, it's a good idea to let a trained Volvo technician perform an inspection.
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