Optima V6-2.7L (2003)
Intake Air Temperature Sensor: Description and Operation
INTAKE AIR TEMPERATURE SENSOR (IAT SENSOR) [2.7 V6]
The intake air temperature sensor (IAT Sensor), located on the intake manifold, is a resistor-based sensor for detecting the intake air temperature.
According to the intake air temperature information from the sensor, the ECM provides necessary fuel injection amount control.