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Home >> Mercury >> 1993 >> Tracer LTS, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - EEC >> Computerized Engine Controls >> Input Devices >> Intake Air Temperature (IAT) Sensor

Intake Air Temperature (IAT) Sensor

On 1.8L and 2.5L, IAT sensor is mounted in the airflow meter. On 2.0L A/T, sensor is located in air filter housing. On all models, sensor monitors temperature of incoming air and then inputs signal to the PCM. The PCM uses this signal to adjust air/fuel ratio.

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