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A knocking noise in a 2007 Ford 500 when accelerating, despite using premium gas, could be due to several factors. It may indicate an issue with the engine's timing, such as a faulty spark plug or ignition system, causing pre-ignition or detonation. Additionally, carbon buildup in the combustion chamber or a malfunctioning sensor could contribute to the knocking sound. It's advisable to have the vehicle diagnosed by a professional mechanic to identify the exact cause and prevent potential engine damage.

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1w ago

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