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Home >> Hyundai >> 2021 >> Venue SE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 6) >> DTC P0401-00: Exhaust Gas Recirculation Flow Insufficient Detected >> Troubleshooting >> Diagnostic Flowchart

Diagnostic Flowchart

G14703327Courtesy of HYUNDAI MOTOR AMERICA
CAUTION: The learnt value must be reset after replacing the EGR valve. Otherwise, problems regarding performance and exhaust may occur until the automatic learning takes place after component replacement.