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Home >> Mazda >> 2003 >> B4000 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0457: EVAP System - Malfunction >> Detection Condition
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Detection Condition

P0457 indicates the initial vacuum could not be achieved after a refueling event and the purge vapor flow is excessive (gross leak).

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