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The OBD P1404 fault code refers to a problem with the Exhaust Gas Recirculation (EGR) system, specifically indicating that the EGR flow is insufficient. This can result from issues such as a clogged EGR valve, a malfunctioning EGR control solenoid, or related vacuum leaks. Addressing this code typically involves inspecting and cleaning the EGR components, checking for blockages, and ensuring proper operation of the system. Ignoring this code can lead to increased emissions and reduced engine performance.

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AnswerBot

2d ago

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