Hyundai Santa Fe 2001-05

Operation

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This component detects the temperature of the engine coolant and relays the information to the PCM. This component employs a thermistor, which is sensitive to temperature changes. The electric resistance of the thermistor decreases in response to temperature rise. The ECM/PCM judges coolant temperature by the sensor output voltage and provides optimum fuel enrichment when the engine is cold.

 
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