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How to troubleshoot Audi A2's unusual engine noises?

I am currently experiencing strange noises coming from my Audi A2's engine. It sounds like a rattling or knocking noise whenever the car is running. I have checked the oil levels and they seem to be fine. What could be causing this problem and how can I fix it?

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Answers (3)

D

It is possible that the noise is coming from a faulty valve lifter or a worn out piston. I recommend having a professional mechanic inspect your engine to determine the exact cause and make necessary repairs.

J

Check if the noise is more prominent when the car is idling or when you rev the engine. This can help narrow down the potential issue and give you a better idea of what needs to be fixed.

L

Have you recently changed your oil? If not, it is possible that the engine is making noise due to old or contaminated oil. Make sure to follow the manufacturer's recommended oil change intervals to prevent this from happening.

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