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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 39 (Engine Control System Diagnosis - 1.6L (2 Of 3) (Except HEV)) >> DTC P0456: Evaporative Emission System-Leak Detected (Very Small Leak) >> DTC Information >> DTC Description

DTC Description

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

Checking output signals from fuel tank pressure sensor under evap. system test, if fuel tank's vacuum decay slope is higher than prescribed threshold, ECM sets P0456.

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