If you are talking about the oxygen heat sensor it is all part of the o2 sensor. Follow the header pipe comming off the engine. There will be one screwed into the exhaust pipe. There should be one in the front and one in the back of the engine.
Might be referring to the engine coolant temperature (ECT) sensors!!
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it is on the trans,right side you will have to remove cat.converters to access.
On top of the cam sensor synchonizer which is sticking out of the top of the timing cover on the front of the engine.
Trs is transmisson range sensor-(neutral safty switch)
on top of the transmission
the sensor is under the upper intake.it is easier to remove upper intake then look to your right in back of lower intake
electronic module
On a 1998 Ford Windstar : The Mass Air Flow sensor is between the top section of the engine air filter housing and the engine air intake tube
There is no MAP sensor on a 1999 Windstar.
The crank position sensor on a 2001 Ford Windstar van is located on the bottom of the engine. It constantly monitors the engine's crankshaft and reports information to the computer.
The speed control device or speed sensor on a 1995 Ford Windstar is located on the transmission. It is a plug in just behind the bell housing.
Replace freeze plug in a 1998 ford windstar ?
The fuse box diagram for a 1998 Ford Windstar van is located on the inside cover of the box cover. It can also be viewed within the service manual.