To the left of the water inlet housing (thermostat housing) on the intake manifold
That is the temp. Gauge sending unit.
Where is the temp sensor on a 91 Chevy astro
where is the temp. sending unit located on a 1999 ford ranger xlt 6cyl 3.0l .Gauge does not work.
more then likely it could be the temp, sending unit. or a bad wire to temp, sensor!!
First try unplugging the coolant temp. sending unit and plugging it back in(may just be bad connection at the plug), next replace the temp. sending unit if the plug-in thing didn't work.
try changing the sending unit for the temp gauge
The temp sending unit may be shorted to ground. Unplug the sending unit to see if the gauge drops to cold. If it does, you have a faulty temp sending unit.
A faulty temp sending unit can do that.
Temperature Gauge Sending Unit The sending unit is located in the front section of the intake manifold in the vicinity of the thermostat. Change it.
To fix the temp gauge check the temp sending unit first. A bad sending unit is a common problem with the temp system.
THE temp sending unit 4 the inside gauge usally has 1 wire & the sending unit 4 the Computer has 2 wires.
If the wiring and connections at the coolant temp sending unit check okay start with replacing the coolant temp sending unit. Temp sending unit should be less than $20.