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The intake air temperature sensor is located on the mass air flow sensor on the intake. There are five wires attached to the sensor.
In mass air flow sensor.
The intake air temp sensor is coupled with the air flow sensor, just past the air filter, on top of the intake piping. It will have 2 screws holding it in. ~ P
The plastic, black box to the right of the engine is the air intake box. The Intake Air Temperature sensor is plugged in by a rubber grommet on the fender-side of the air box. It comes out with a simple pull.
Coolant temperature sensor is locatedat the front of the intake manifold near the upper radiator hose.
It should be in the air intake. It look like a light bulb filement most of the time. Look on the air intake box. Also look in the tube coming from the cowl.
under the termostat housing.
The 2003 Mazda engine coolant temperature sensor is located on the front of the engine, above the thermostat housing. The sensor will have to wires leading to it.
you can't fix a sensor, you can replace one by removing it and installing the new one...:)
should be along the tubing where the air filter is. It normally has 2 wires connected to it
The IAT sensor is built in to the mass air flow sensor. This is fitted on the air inlet just after the air filter and has five wires coming from it.
There is a coolant temperature sensor and a temperature gauge sensor. the coolant sensor is located on driver side of the cylinder head. screws right into it, and the temperature gauge sensor is on the front side of the cylinder head right under the distributor. hope this helps