Curiosii for ever!
: Car repair manuals for everyone.
Home
>>
Ford Truck
>>
2000
>>
Expedition 2WD V8-4.6L SOHC VIN W
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Air Temperature Sensor ( Ambient / Intake )
>>
Description and Operation
>>
General
General
The IAT sensor:
^
sends the PCM a signal indicating the temperature of the air entering the engine.
^
resistance decreases as temperature increases.