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Home >> Mazda >> 1997 >> MX-5 Miata Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Circuit Tests >> DTC P0400 - EGR Flow Malfunction >> Condition
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DTC P0400 - EGR Flow Malfunction: Condition

DTC is set when difference in intake manifold pressure is not within preset value during EGR operation. Possible cause is any component of EGR system.

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