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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 P0449: Evaporative Emission System-Vent Valve/Solenoid Circuit >> General Information >> DTC Description

DTC Description

WARNING: This page is about a different variant/trim than selected.

The PCM measures pressure in the fuel tank by means of tank pressure sensor during all engine operating states except engine stop and start. PCM sets DTC P0449 if the PCM detects that the fuel tank pressure is too low as a result of the stuck closed CCV.

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