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The code P2442 on a 2007 Tundra indicates an issue with the Secondary Air Injection System, specifically related to the system's operation or a component failure. Common fixes include checking for vacuum leaks, inspecting the air pump and its relay, and ensuring that the check valves are functioning correctly. It may also require replacing faulty components or cleaning blocked passages in the system. Always ensure to reset the check engine light after repairs to confirm the issue is resolved.

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2mo ago

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