I have noticed that when driving at speeds between 40-50mph, my Audi A4's engine makes a rattling noise. It seems to go away at higher speeds and is not present at lower speeds. Can anyone explain why this might be happening and if it is a cause for concern?
ReplyIt could be due to a loose or damaged engine mount, causing the engine to rattle at certain speeds. It is recommended to have a mechanic inspect and possibly replace the engine mount to prevent any further damage.
The rattling could also be caused by worn out serpentine belts or tensioners. These should be checked and replaced if necessary, as they are essential for powering various engine components.
It is possible that there is an issue with the fuel delivery system, such as a clogged fuel filter or a faulty fuel pump. This could cause the engine to struggle at certain speeds and produce a rattling noise. Have a mechanic perform a fuel system inspection and replace any necessary components.
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