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2004
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3 s, 4D Hatchback, Standard
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On-Board Diagnostic [Engine Control System]
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DTC P0401: EGR Flow Insufficient Detected
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Diagnostic procedure
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Diagnostic procedure
Fig 1: DTC P0401: Diagnostic Procedure Chart (Steps 1-10)
Courtesy of MAZDA MOTORS CORP.
Courtesy of MAZDA MOTORS CORP.