How to Clean Carbon Deposits in Car Engine?

[CoreyLee]

Engine carbon deposits are a normal occurrence that appears after prolonged use. Here are specific solutions for engine carbon deposits: Fuel Additive Cleaner: Fuel with added cleaners flows through the fuel supply system, using its chemical components to break down the adhesive substances inside the system, automatically removing carbon deposits from the valves and the inner walls of the engine cylinders, preventing the accumulation of adhesives and impurities that form carbon deposits. Manual Cleaning: The advantage of manual cleaning is that it doesn't require replacing filters or fuel lines. The method chosen depends on the severity of the carbon deposits. For valve carbon deposits, simply removing the intake manifold and using a regular cleaner or cloth to wipe is sufficient. For carbon deposits adhering to the engine cylinder walls, cleaning is generally difficult without disassembling the engine, which is relatively more complex. Disassembling the engine may affect its power performance and sealing, potentially causing the engine to malfunction or even damaging it. If there is a significant amount of carbon deposits inside the cylinder walls that fuel additive cleaners cannot remove, it's best to consult professional technicians at a 4S shop. Regular Cleaning: Regular vehicles should have carbon deposits cleaned every six months or 10,000 kilometers. 4S shops usually have professional cleaning equipment and cleaners. If you prefer to save money, you can buy two bottles of gasoline additive at the gas station while refueling and add them to the fuel tank, which also has some effect. However, if there is too much carbon deposit, it's difficult to clean thoroughly this way. It's best to go to a 4S shop for inspection and cleaning. In severe cases, the cylinder head may need to be removed for manual cleaning, which is the most thorough method.

[LeonardoLee]

Let me tell you about engine carbon deposit cleaning - there are generally a few common methods. Chemical cleaning is the simplest - just add some carbon remover to the fuel tank and let it dissolve deposits while driving, suitable for mild cases. Professional cleaning is more thorough - take it to an auto shop where they spray cleaning solution into the intake system using equipment, quick and effective. For severe carbon buildup, engine disassembly for manual cleaning may be necessary - risky but solves the root cause. For prevention, using high-quality gasoline and regular fuel additive treatments can slow deposit formation, better than waiting until the car starts shaking. After cleaning, you'll notice quicker engine response and better fuel efficiency - I tried professional cleaning once and the car immediately felt much lighter. Remember, early action saves money and hassle - don't wait until major repairs are needed to regret it.

[MacAmelia]

I remember one time my car kept shaking at idle and fuel consumption skyrocketed. Turned out it was caused by carbon buildup. The cleaning process has a few steps: First try adding fuel system cleaner to the tank and drive a few hundred kilometers to soften and dissolve the deposits - cheaper but slower. If that doesn't help, go to a professional auto shop for cleaning where they can spray decarbonizer directly into the engine system, done in about half an hour. After cleaning, the car ran much smoother with more responsive throttle, costing less than 500 yuan. I learned a lesson: Preventing carbon buildup is more cost-effective than cleaning afterward - just use quality fuel, minimize idling, and add cleaner periodically. Addressing carbon deposits early makes driving safer and saves repair costs, don't let it damage your engine.

[DelMorgan]

There are several methods to clean engine carbon deposits, and here are three recommended approaches: First, add fuel system cleaner to the fuel tank and drive for a while to dissolve the deposits, which is convenient for DIY operation; second, visit a professional shop to use specialized equipment for quick and effective cleaning of the intake system; third, disassemble the engine to manually scrape off thick carbon deposits, but this is only for severe cases. For daily prevention, use high-quality gasoline and additives to reduce carbon buildup. After cleaning, you may notice improved engine response, reduced fuel consumption, and better maintenance. Don’t ignore these signals to ensure safe driving.

[DiJeffrey]

Dealing with carbon deposits relies on cleaning, but I value prevention more. Carbon buildup is often caused by low-quality fuel or prolonged idling. Prevention methods are simple: use premium gasoline, regularly add fuel additives, and minimize idling. For cleaning, you can choose chemical methods by adding cleaners to the fuel tank or professional equipment for spray cleaning, which is suitable when symptoms like engine shaking or lack of power appear. From my experience, good prevention reduces the need for frequent cleaning, saving money. After cleaning, the engine runs smoother and lasts longer. Take timely action to ensure driving safety—don’t let small issues escalate.