ENGINE COOLANT TEMPERATURE (ECT) SENSOR CONSTRUCTION/OPERATION [AJ (3.0L Duratec)]
BUE014018841N04
• Installed on the water bypass tube.
• The ECT is a thermistor type in which the resistance changes according to the engine coolant temperature.
• As shown in the graph, the resistance decreases if the engine coolant temperature increases, and conversely increases if the engine coolant temperature decreases.
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1
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Resistance
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2
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Temperature
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3
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High
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