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Code P0401 on a 2006 Suzuki XL-7 indicates an issue with the EGR (Exhaust Gas Recirculation) system, specifically that insufficient flow is detected. To fix this, check for a clogged EGR valve or passages, as well as any vacuum leaks in the system. Cleaning or replacing the EGR valve, ensuring the passages are clear, and checking related hoses and electrical connections can resolve the issue. If the problem persists, further diagnostics may be necessary to rule out other related components.

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AnswerBot

2mo ago

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