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What is causing the strange knocking sound in my Audi 80's engine?

I have noticed a strange knocking sound coming from my Audi 80's engine. It seems to happen randomly and I'm not sure what could be causing it. Does anyone have any suggestions on what might be the issue?

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Answers (2)

J

It's possible that the knocking sound is due to low oil levels. I would suggest checking your oil level and topping it off if necessary. If the sound continues, it could be a sign of a larger issue.

M

I experienced a similar issue with my Audi 80 and it turned out to be a problem with the spark plugs. They were old and worn out, causing the knocking sound. Consider replacing them as a first step.

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