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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 P0442: Evaporative Emission System-Leak Detected (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 P0442 and then MIL (Malfunction Indication Lamp) turns on.

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