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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 34 (Engine Control System Diagnosis - 2.0L (Except HEV) (3 Of 6)) >> DTC P0401-00: Exhaust Gas Recirculation Flow Insufficient Detected >> DTC Information And Inspection >> DTC Description

DTC Description

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DTC P040100 code is a case in which the EGR gas circulation amount detected by the EGR valve drive amount, the engine speed, and the air amount measurement sensor signal is lower than the target value by 10 seconds or more and constant or more. It is manifested when the EGR valve is stuck closed or the EGR gas circulation path clogging/leakage or the intake system is leaked. And detects an error when the target air amount is lower than the actual value by a certain amount or more.

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