Air Temperature Sensor ( Ambient / Intake ): Service and Repair

REMOVAL
The Intake Manifold Air Temperature (IAT) sensor is installed into the intake manifold plenum near the left side of the throttle body.

Threaded Type Sensor
1. Disconnect electrical connector from sensor.

Fig. 24 IAT - 4.7L (Threaded Type):

2. Remove sensor from intake manifold.

Snap-In Type Sensor
1. Disconnect electrical connector from IAT sensor.
2. Clean dirt from intake manifold at sensor base.

Fig. 25 IAT Sensor - 4.7L (Snap-In Type):

Fig. 26 IAT Sensor Tab/O-Ring - 4.7L (Snap-In Type):

3. Gently lift on small plastic release tab or and rotate sensor about 1/4 turn counterclockwise for removal.
4. Check condition of sensor O-ring.

INSTALLATION
Threaded Type Sensor
1. Install sensor into intake manifold. Tighten sensor to 28 Nm (20 ft. lbs.) torque.
2. Connect electrical connector to sensor.

Snap-In Type Sensor
1. Check condition of sensor O-ring.
2. Clean sensor mounting hole in intake manifold.
3. Position sensor into intake manifold and rotate clockwise until past release tab.
4. Install electrical connector.