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Home >> Chevrolet >> 1987 >> Spectrum Express >> Repair and Diagnosis >> Engine Performance >> System >> Feedback Carburetor System >> Operation >> Coolant Temperature Sensor

Coolant Temperature Sensor

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The temperature sensor is a thermistor that relays engine coolant temperature information to ECM. This temperature is used to determine when system is ready to enter closed loop mode of operation. The information for this sensor is also used to change open loop cycle.