What are the methods for cleaning engine carbon deposits?
2 Answers
Cleaning methods include: fuel additive cleaners, manual cleaning, and professional cleaning at 4S shops. Related introduction: 1. Engine carbon deposits: During engine operation, unsaturated olefins and gums in the fuel produce a coking substance under high temperature conditions. 2. Causes of carbon deposits: Long-term poor driving habits of the owner, poor quality of fuel used in the car, aging or damage of the engine carburetor. 3. Fuel system cleaners: A general term for cleaners that remove carbon deposits, gums, and sludge from the fuel injector, intake valve, cylinder wall, piston top, and intake tract. Using such products can significantly reduce the emission of harmful substances in the vehicle's exhaust.
I've been dealing with engine carbon deposits for years. The preferred method is regular use of fuel additives—just add them to the tank and drive a few hundred kilometers to remove minor deposits. It's low-cost and a DIY solution. However, if engine noise increases or power drops noticeably, mechanical cleaning is necessary. This involves disassembling the intake manifold and fuel injectors to manually scrape off carbon layers, which is more thorough but requires professional operation. I also recommend running the engine at high RPMs for a while during highway driving to raise exhaust temperatures and melt deposits. Prevention is key: avoid prolonged low-speed driving and low-quality gasoline, and regularly maintain spark plugs and engine oil. Excessive carbon buildup can increase fuel consumption and even cause knocking, so early action is crucial.
