I recently purchased a used Audi A6 and noticed a strange knocking noise when I accelerate. It's quite loud and I'm worried it may be a serious issue. Can anyone provide insight into what could be causing this and if it's something that I should be concerned about?
ReplyThe most common cause of knocking noises during acceleration in an Audi A6 is a faulty engine airflow sensor. This can often be fixed by cleaning or replacing the sensor. I had this issue with my A6 and once I replaced the sensor, the noise went away.
Another potential cause of a knocking noise during acceleration could be a worn out or damaged engine mount. If this is the case, it's important to get it fixed as soon as possible to avoid further damage to your engine. I highly recommend taking your car to a trusted mechanic for a thorough inspection.
I had a similar issue with my Audi A6 and it turned out to be a problem with the fuel injectors. They were clogged and needed to be cleaned. Since then, I make sure to regularly use a high-quality fuel injector cleaner and haven't had any issues.
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