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Home >> Chevrolet >> 2001 >> Impala V6-3.4L VIN E >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> IAT Sensor
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IAT Sensor

The scan tool range is -40 to +151°C (-40 to +304°F). The PCM converts the resistance of the intake air temperature sensor to degrees. The Intake Air Temperature (IAT) is used by the PCM in order to adjust the fuel delivery and the spark timing according to the incoming air density.
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