I recently purchased a used Audi A4, and I'm not sure when the previous owner last changed the engine oil. What are some signs that indicate the engine oil needs to be changed?
ReplyIt's always a good idea to check your engine oil level and condition regularly, even if your car has an electronic monitoring system. If you notice that the oil level is low or the color is dark and gritty, it's time for an oil change.
Another indication that the engine oil needs to be changed is if you hear unusual noises coming from the engine. This could be a sign of metal-on-metal friction due to low oil level or dirty oil.
If you are experiencing a decrease in fuel efficiency or a decrease in engine performance, it could be a result of dirty or old engine oil. Changing the oil at recommended intervals can improve engine performance and save you money on gas.
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