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Home >> Cadillac >> 1985 >> Eldorado Base, 4.1 8 >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Digital >> Operation >> Data Sensors >> Manifold Air Temperature Sensor (MAT)

Manifold Air Temperature Sensor (MAT)

This sensor is mounted in the intake manifold directly in front of the throttle body. The MAT sensor measures air/fuel mixture temperature in the intake manifold.

The sensor resistance changes as air temperature changes. ECM receives this change in signal and adjusts injector pulse accordingly. Low temperature produces high resistance.

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