How to Remove Carbon Deposits from a Car Engine?

[VonEmiliano]

Common methods for removing carbon deposits are as follows: 1. Using a cleaning solution: Cut off the fuel supply and connect the carbon cleaning agent to the engine injector. The cleaning agent softens the carbon deposits inside the engine, allowing them to be burned and expelled. However, this method is only suitable for mild carbon buildup and is not very effective for vehicles with severe carbon deposits. 2. Disassembling and cleaning the engine intake manifold: Remove the engine intake manifold, scrape off stubborn carbon deposits, clean it, and then reassemble it. This method yields the best and most noticeable results. 3. Driving long distances or on highways: Vehicles in a warmed-up state hardly produce any carbon deposit buildup. Additionally, the high-speed operation of the engine can expel some carbon deposits. Therefore, cars that frequently drive on highways are more fuel-efficient and easier to drive.

[LouisFitz]

I often deal with cleaning engine carbon deposits myself because carbon buildup can reduce the car's power and increase fuel consumption. The most common method is to buy a specialized fuel additive, pour it directly into the fuel tank, and drive on the highway for a while. It can dissolve some carbon deposits, but the effect is average. If the carbon buildup is severe, I recommend going to a professional repair shop where they use high-pressure equipment to clean the intake tract and inside the cylinders, which is more thorough but costs more. For DIY enthusiasts, some people disassemble the engine to manually scrape off the deposits, but it's risky and can easily damage parts—I don't recommend it. The key is regular maintenance, avoiding frequent short trips, and using high-quality engine oil. Prevention is more important than cleaning. This way, the car runs smoothly, saving both money and hassle.

[VanPenelope]

I think clearing carbon deposits can start with simple steps, just like what I've done myself. First, add a carbon deposit cleaner to the gasoline, then drive on the highway for about half an hour to let it circulate inside the engine and dissolve the deposits. It's convenient and cost-effective. If there's a lot of carbon buildup, it can cause idle shaking or weak acceleration. In such cases, you can go to a professional shop for an engine cleaning. They use specialized tools to spray foam for cleaning, and it only costs a few hundred bucks per session. For prevention, I usually use higher-grade gasoline and reduce idle time. Most importantly, don't ignore the issue—excessive carbon buildup can lead to more expensive repairs. Regular maintenance can extend the engine's lifespan and keep your ride lively.

[MacZoe]

Clearing engine carbon deposits, I particularly emphasize safety. Don't mess around by yourself, because improper operations like randomly disassembling parts can cause bigger failures, even engine scrapping. The simplest way is to use fuel additives and drive at high speeds to alleviate minor carbon buildup. In severe cases, go to a professional repair shop for specialized cleaning; they have equipment to clean the cylinders and valves. Prevention is key: use high-quality fuel, avoid frequent short-distance driving, and change the oil regularly. Carbon deposits not only affect power but also increase exhaust pollution. Proper handling ensures safer driving.