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Home >> Toyota >> 2003 >> Tundra Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self Diagnostics - V6 >> Diagnostic Tests >> DTC P0116: Engine Coolant Temperature Sensor Circuit Range/Performance Problem Or DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control >> Circuit Description
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Circuit Description

A thermistor built into the engine coolant temperature sensor changes the resistance value according to the engine coolant temperature.

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