9 Engine Additives That Work (And 3 That'll Kill Your Car)
9 engine additives that actually work, backed by real shop experience, and 3 that can destroy your engine or worse. In this video I break down which fuel system cleaners, oil stabilizers, and diesel treatments are worth your money and which ones are nothing but marketing scams. Learn the real signs of carbon buildup, injector wear, and rubber seal failure before they turn into expensive repairs. Whether you drive a Honda, Ford, Toyota, Chevrolet, Nissan, or Subaru, this breakdown applies to gas and diesel engines alike. Subscribe for more honest mechanic advice with no sponsored fluff, just what actually works in the shop. engine additives, fuel system cleaner, oil stabilizer, diesel additive, carbon buildup, fuel injector cleaner, engine treatment, car maintenance tips, mechanic advice, high mileage engine, diesel anti gel, engine oil additive, car care tips, engine cleaning, automotive maintenance
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