INTAKE AIR TEMPERATURE (IAT) SENSOR CONSTRUCTION/OPERATION[AJ (3.0L Duratec)]


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•  Built into the MAF sensor.
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•  The IAT sensor is a thermistor type in which the resistance changes according to the intake air temperature.
•  As shown in the graph, the resistance decreases if the intake air temperature increases and conversely increases if the intake air temperature decreases.
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