Buy 2004 Ford Crown Victoria S Sedan Engine Coolant Temperature Sensor. Water pump. Switch, Symptoms, Don’t - OEM Ford Part # 9U2Z12A648A (9U2Z-12A648-A, E1AZ12A648A, F2AZ-12A648-A, F2AZ12A648A)

Temperature. Sensor. Coolant.
2 Round Pin Connector. Stamped #E1AF12A648AA. Stamped #E4AF12A648AA. Temperature Sensor for Engine Coolant. Under GVW 8,500 Lbs. Sending Unit. Switch. Engine. Sender Assembly.

Engine Coolant Temperature Sensor

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 without warning, your radiator fans don’t switch on, or they don’t switch off. If your 2004 Ford Crown Victoria has any of these symptoms, it's a good idea to let a trained Ford technician perform an inspection.