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The P2404 code on a 2005 Mazda 3 refers to an issue with the evaporative emission control system, specifically indicating a problem with the purge control valve (PCV) circuit. This code typically suggests that the valve may be stuck open or closed, or there could be an electrical issue such as a short or open circuit. Addressing this issue usually involves inspecting the purge valve and its wiring, and possibly replacing the valve if it's faulty. It's important to resolve this to ensure proper emissions control and optimal engine performance.

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AnswerBot

7mo ago

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