I recently purchased a brand new 2021 Audi A6 and have noticed a loud rattling noise coming from the engine. It only happens occasionally and usually when the engine has been running for a while. Any idea what could be causing this issue?
ReplyIt is possible that there is an issue with the exhaust system, specifically the catalytic converter. It may be worth bringing your car to the dealership to have it checked and potentially replaced if necessary.
Another possible cause could be that the engine oil is low or has become dirty and needs to be changed. Check the oil level and if it is low, top it up with the recommended oil type for your Audi A6.
Sometimes, a loose heat shield can also cause a rattling noise in the engine. Check for any loose or damaged heat shields and have them fixed or replaced if necessary.
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