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Intake Air Temperature Sensor
The Intake Air Temperature (IAT) sensor is located in the intake air duct. See Fig 1
or Fig 2
. The IAT sensor is a Negative Temperature Coefficient (NTC) sensor that provides information to the PCM regarding the temperature of the air entering the intake manifold.
Courtesy of DAIMLERCHRYSLER CORPORATION
Courtesy of DAIMLERCHRYSLER CORPORATION