F 350 2WD Pickup V8-460 7.5L VIN G EFI (1997)
Intake Air Temperature Sensor: Description and Operation
The Intake Air Temperature (IAT) sensor changes resistance in response to changing intake air temperature. The IAT sensor resistance decreases as the
air temperature increases, providing a signal to the Powertrain Control Module (PCM) indicating temperature of the incoming intake air. The IAT sensor
is installed in the lower intake manifold on 49-state vehicles. On California vehicles, the intake air temperature sensor is located in the air inlet tube
between the air cleaner assembly and the throttle body.
