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Home >> Ford >> 2003 >> ZX2 Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle/Transmission >> Description And Operation >> Transaxle Electronic Control System >> Electronic System Description >> Engine Coolant Temperature (ECT) Sensor

Engine Coolant Temperature (ECT) Sensor

The engine coolant temperature sensor (ECT sensor) (12A648) signal is used by the PCM to modify ignition timing and the air-to-fuel ratio.