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Home >> Ford >> 2003 >> Excursion 6.0 P, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (ENGINE CONTROLS - SELF-DIAGNOSTICS - 7.3L (995, 996 F650/750, 99F E Series & 99F F450/550) DIESEL) >> System Tests >> Test Dm: Engine Coolant Temperature Sensor (Manual Transmissions Only) >> Signal Functions

Signal Functions

WARNING: This page is about a different variant/trim than selected.
NOTE: ECT sensor is used only on manual transmission equipped vehicles.

Engine Coolant Temperature (ECT) sensor is used as primary input to Electronic Control system to enable adaptive cooling. This provides a means of providing adequate cooling in severe engine temperature conditions. When ECT is more than 225°F (107°C), fueling rate of engine is modified to provide cooling protection and prevent engine damage due to overheating.

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