Temp sender/sensor

[1997 MAZDA B2300]

Hey guys! I have a 1997 2.3l ranger and I'm having trouble with finding the temp sensors I have found 2 and there right on top of the engine one just before the thermostat housing with 2 wires going into it and one on the thermostat housing with 2 wires in to it and I have one more that I can't find and it has a what looks like a threaded rod on in so it looks like one wire goes into it I'm told that there are three sensors/senders on this truck but the last ones a mystery soo I need help finding it thanks in advance for the help

 

[rtg143]

Does this help?

 

[1997 MAZDA B2300]

I have the 2.3L engine that's a diagram for the V6

 

[Earl43P]

It only has two coolant temp senders.
One drives the gage in the dash, the other reports temp to the PCM.

Period, end of story.

 

[1997 MAZDA B2300]

That's what I thought too clearly ford dealers don't know there cars very well oh well thanks for the help tho!

 

[RonD]

Vehicles with transverse mounted engines often have 3 coolant temp sensors.
Ranger/B2300 ain't one
1 wire "sender"(threaded rod) is for the dash board temp gauge, this is the same type of sender that has been used since there were dash board temp gauges.

2 wire sensor(ECT) is the "choke" sensor, these were added for fuel injected engines, since they have no carb or jets a choke plate can not be used, this sensor tells the computer when engine is cold so it will run engine rich with advanced timing until it warms up.

Another 2 wire sensor(also ECT) is used in the rad on vehicles equipped with electric fans, it turns the fan on and off according to coolant temp in the rad.