where is my engine coolant temp sensor I have a 98 f150 5.4 L 4x4 I cant find the coolant sensor the coolant switch is just behind the alternator by the thermostat housing but the sensor isnt there where is it?? pictures or discriptions will help thanks some one told me to do a SEARCH on Cylinder Head Temperature Sensor I didnt think they switched to those and did away with the engine coolant temp sensor until either 99 or 2000 please help the local mineke shop wants 375 to fix it for me they said the part was 75 but its only 20 at autozone they mark things up tremendously