Is Engine Cleaning Oil Useful?
2 Answers
Yes, engine cleaning oil, also known as engine cleaner, is used to clean the engine. It can remove harmful substances such as sludge, carbon deposits, and gum inside the engine, maintaining internal cleanliness. This enhances oil flow, reduces component wear, and extends the engine's lifespan. 1. Regarding engine carbon deposits and sludge: Engines operating for long periods under high temperatures may accumulate carbon deposits and impurities due to fuel issues. While engine oil has some cleaning effect, it is not very effective at removing carbon deposits. Additionally, engine oil tends to produce sludge over time, which is difficult to clean. Excessive carbon deposits or impurities inside the engine can hinder oil flow and accelerate engine wear. Engine cleaning oil can help remove carbon deposits to some extent. 2. Solutions for excessive carbon deposits and sludge: For vehicles that have never used engine cleaning oil and have high mileage or age, using a cleaner may cause oil passage blockage if there is significant sludge buildup, and the cleaning effect may not be ideal. It is more practical to focus on regular vehicle maintenance, ensure proper upkeep, check engine oil periodically, and use high-quality engine oil.
I've been researching engine maintenance, and whether engine flush is useful depends on how you use it. If your car has run 70,000-80,000 kilometers without ever being cleaned, it's definitely beneficial as it dissolves carbon deposits and sludge, making the engine run smoother. The principle is to add it to the old oil and let it idle, softening and removing the dirt stuck to the parts. But I must warn you, it's completely unnecessary for new cars or those with regular maintenance—it's a waste of money and could even damage the seals. Some repair shops trick you into using it with every oil change, which is just a money grab. Personally, I only consider using it every 50,000 kilometers, and only if the engine is noticeably shaking or fuel consumption has increased. When using it, you must choose a reliable brand, as low-quality flush can corrode metal parts.
