Hello,

The fuel temperature sensor is located int he fuel rail up at the engine

Engine Fuel Temperature (EFT) Sensor (3.0L)Next to air intake pipe.
Engine Fuel Temperature (EFT) Sensor (4.0L)Next to throttle housing.

Here are diagrams to help you see the location of the fuel temperature sensor.

Check out the diagrams (Below)

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken