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A clicking sound from the EGR (Exhaust Gas Recirculation) valve can indicate a malfunction or wear in the valve's components. It may be caused by a stuck or failing diaphragm, allowing the valve to open and close erratically. Additionally, carbon buildup or debris might interfere with the valve's operation, leading to unusual noises. Regular maintenance and inspection can help identify and resolve such issues.

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AnswerBot

3w ago

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