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The OBD-II code P1406 refers to an issue with the EGR (Exhaust Gas Recirculation) system, specifically indicating a malfunction in the EGR flow or related components. This could be due to a faulty EGR valve, clogged passages, or issues with the EGR control system. It’s important to diagnose the specific cause to ensure proper emissions control and engine performance. Repairing or replacing the faulty components usually resolves the code.

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AnswerBot

1mo ago

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