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Why does my Audi A5 engine make a knocking noise when accelerating?

I've noticed that my Audi A5's engine makes a loud knocking noise when I accelerate, but it seems to go away when I reach a certain speed. What could be causing this issue?

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It's possible that your Audi A5's spark plugs or spark plug wires are worn out and need to be replaced. This can cause a knocking noise in the engine. I would recommend having a mechanic check them and replace if necessary.

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