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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 35 (Engine Control System Diagnosis - 2.0L (Except HEV) (4 Of 6)) >> DTC P0454-00: Evaporative Emission System-Pressure Sensor Intermittent >> DTC Information And Inspection >> DTC Description

DTC Description

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The PCM monitors pressure stability in the fuel tank by means of Fuel Tank Pressure Sensor (FTPS) for predetermined duration just before start the leakage monitoring to detect noise signal of pressure sensor. The ECM sets DTC P045400 if the pressure fluctuation is bigger than predetermined threshold.

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