NEVER do these 7 things to a Modern Engine

Modern engines are more powerful, efficient, and advanced than ever — but some common driving and maintenance habits can quietly shorten their lifespan. In this video, Ray Mercer breaks down 7 things you should NEVER do to a modern engine, from everyday mistakes that increase wear to habits that could eventually lead to expensive repairs. Some of these mistakes seem harmless, and you may be doing them every time you drive without realizing the damage they can cause. Watch until the end to learn what to avoid if you want your engine to stay reliable for as long as possible. 🔧 Subscribe for more old-school mechanic advice, car maintenance tips, money-saving tricks, and mistakes every car owner should avoid. 💬 Which of these 7 mistakes surprised you the most? Have you ever had an engine problem caused by one of them? Let us know in the comments. #CarMaintenance #EngineMaintenance #CarTips #MechanicTips #CarProblems #EngineProblems #CarAdvice #AutoRepair #RayMercer