How to Solve the Severe Oil Burning Issue in the 2013 Audi A4L?
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2013 Audi A4L is experiencing severe oil burning, which requires a major engine overhaul to completely resolve the issue. Introduction to Engine Oil: Engine oil, also known as engine lubricant, serves multiple functions including lubrication and friction reduction, auxiliary cooling, sealing and leak prevention, rust and corrosion protection, as well as shock absorption. Precautions for Using Engine Oil: When selecting engine oil, it should be chosen based on the engine's requirements, ensuring compatibility with the engine. Multi-grade oil is recommended due to its advantages such as fuel efficiency, long service life, and high performance, providing better protection for the engine. The oil level should be slightly below the mark on the dipstick and not overfilled.