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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 P0455: Evaporative Emission System-Leak Detected (Large Leak) >> General Information >> General Description

General Information: General Description

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The evaporative emission control system is for preventing the leakage of HC from fuel tank. (HC can cause photochemical smog.)

The evaporative gas is gathered in a canister and sent to engine through PCSV.

NVLD Sensor module consists of NVLD pressure switch and temperature sensor.