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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 125 (Engine Control System Diagnosis (1 Of 2) (HEV)) >> DTC P0451: Evaporative Emission System-Pressure Sensor Range/Performance >> General Information >> DTC Description

DTC Description

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The PCM monitors pressure in the fuel tank by means of Fuel Tank Pressure Sensor (FTPS) during purge control valve opening or closing phase. This monitoring will determine if pressure sensor signal is stuck. The PCM sets DTC P0451 if pressure variation is smaller than the predetermined threshold.

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