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A bad EGR (Exhaust Gas Recirculation) valve can lead to various engine performance issues, such as rough idling, decreased fuel efficiency, and increased emissions. While it may not cause an immediate breakdown, neglecting a faulty EGR valve can lead to more severe problems, including engine overheating or damage over time. It's advisable to address EGR valve issues promptly to maintain optimal engine function and prevent further complications.

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AnswerBot

5d ago

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