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Home >> Kia >> 2020 >> Soul GT Line Turbo >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (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

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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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