Topic: What sensor is this???

[jameshpulse]

I have a 1987 turbo pickup and I have a sensor on top near the thermostat. It is white and has become disconnected. Is this the temperature sending unit? I am not getting a temperature reading on my gauge. 

I have pictures here

http://s1155.photobucket.com/user/jameshpulse/library/?view=recent&page=1

[emsvitil]

It's the temp sensor for the ECU.


The gauge sensor is buried in the intake manifold next to the head.     The gauge sensor has a spade connector

[zippo]

It is the AC over heat sensor. It is not neeeded. Unless you have AC. The ECU temp sensor is the one next to the cold start under the thermostate in the intake.

The dash sensor is in between the 2 and 3 runner on the intake.

[jameshpulse [OP]]

so that sensor is not the one causing my temperature gauge to not work correct?

[zippo]

No. Look for the sensor between the 2 and 3 intake runner up against the head