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Home >> Honda >> 2010 >> Fit Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Advanced Diagnostics >> DTC P0401: Exhaust Gas Recirculation (EGR) Insufficient Flow >> Malfunction Threshold
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Malfunction Threshold

The ratio of the current EGR flow to the normal EGR flow is 20 % or less for at least 3.5 seconds.