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DTC P0401: Exhaust Gas Recirculation (EGR) Insufficient Flow: Notes

Fig 1: Exhaust Gas Recirculation (EGR) Insufficient Flow Diagram
G06124181Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig 2: Exhaust Gas Recirculation Signal Waveform
G04816559Courtesy of AMERICAN HONDA MOTOR CO., INC.