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Home >> Mazda >> 2021 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (3 Of 6) >> DTC P0401-00: EGR Flow Insufficient Detected >> Notes
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DTC P0401-00: EGR Flow Insufficient Detected: Notes

NOTE:
  • To determine the malfunctioning part, proceed with the diagnostics from "Function Inspection Using M-MDS".
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