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Home >> Kia >> 2004 >> Sorento EX, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> Fuel System & Fault Isolation >> DTC Troubleshooting Procedures >> DTC P0182: Fuel Temp Sensor A Circuit Low Input >> DTC Description >> Description >> Function
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DTC Description: Description: Function

The fuel temperature sensor is located in the fuel tank for detecting the fuel tank temperature.

The fuel temperature sensor uses a thermistor whose resistance changes with the temperature.

The electrical resistance of the fuel temperature sensor decreases as the temperature increases, and increases as the temperature decreases.

The reference 5V in the ECM is supplied to the fuel temperature sensor via a resistor in the ECM. That is, the resistor in the ECM and the thermistor in the fuel temperature sensor are connected in series. When the resistance value of the thermistor in fuel temperature sensor changes according to the fuel tank temperature, the output voltage also changes.

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