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DTC codes / Mazda codes / P1416

P1416 · MazdaPort Air Circuit

P1416 on Mazda vehicles indicates a fault in the port air circuit, which is part of the secondary air injection system that helps reduce exhaust emissions during cold starts. The powertrain control module (PCM) monitors the circuit for expected electrical behavior and sets this code when it detects an open, short, or out-of-range condition in the port air solenoid or its wiring.

SystemPowertrain
Code typeMazda specific
SeverityLow
Fix difficultyIntermediate
AreaAuxiliary emission controls

Guidance is general and written for Mazda vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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