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How to troubleshoot engine knocking in an Audi 80?

I've been noticing a loud knocking sound coming from my Audi 80's engine. It seems to happen during acceleration and at high speeds. What could be causing this and how can I fix it?

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Answers (2)

M

It could be due to worn engine bearings, which can cause metal-on-metal contact and produce a knocking sound. I suggest taking your car to a mechanic for an inspection and possible replacement.

P

The knocking sound could also be caused by bad spark plugs. I recommend checking and replacing them if necessary. Make sure to use high-quality, OEM spark plugs for best results.

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