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Home >> Kia >> 2020 >> Soul GT Line Turbo >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Engine Control System Diagnosis - 2.0L (4 Of 6)) >> DTC P0442-00: Evaporative Emission System-Leak Detected (Small Leak) >> DTC Information >> DTC Description

DTC Description

WARNING: This page is about a different car, the 2021 Kia Soul. However, it is still accessible from the selected car via links, so may be relevant.

The PCM closes the Canister Close Valve (CCV) at the charcoal canister to seal off the evaporative emission system and then opens PCSV to generate a vacuum in the fuel tank. After vacuum generation, the PCM measures pressure differential curve in the fuel tank and sets DTC P044200 if the vacuum generated within a monitoring period increases above a defined threshold. If same error code is set in the next driving cycle, the PCM illuminates the MIL.

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