I've noticed some issues with my Audi A4 engine and I'm not sure what to do. There's a strange noise coming from under the hood and the car is not running as smoothly as it used to. What could be causing this and how can I fix it?
ReplyThe first thing you should do is check the engine oil. Low oil levels can cause engine problems and it's an easy fix if that's the issue. If the oil level is normal, it could be a faulty spark plug or a clogged air filter.
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