Is Fuel Additive Really Effective in Cleaning Carbon Deposits?
2 Answers
Fuel additives cannot remove carbon deposits from the engine. To truly clean carbon deposits, you need to go to a 4S shop or a repair shop for a proper carbon cleaning service, which is akin to needing surgery when you're sick. Introduction to Fuel Additives: Fuel additives, commonly known as the third generation of gasoline detergents, aim to address carbon deposit issues in the fuel system of electronically injected vehicles, quickly restoring the engine to optimal performance. They can also compensate for certain deficiencies in gasoline and impart new beneficial characteristics (such as improving atomization, reducing wear, protecting the engine, and lowering emissions). Functions of Fuel Additives: High-quality gasoline additives contain purification factors that can cleanse harmful substances like gum and engine carbon deposits from the fuel. With continuous use, they can eliminate carbon deposits in the fuel system's injectors, intake valves, and intake manifolds, restoring the vehicle's original power and maintaining optimal performance over the long term.
I've used fuel additives quite a few times on my own car, and I feel their effectiveness in cleaning carbon deposits varies case by case. Carbon deposits are those blackish residues in the engine's combustion chamber, which over time can cause the car to accelerate slower, consume more fuel, or even shake. I've tried several brands of fuel additives—some really help, while others don't do much. The key is choosing the right product; some contain detergents that can dissolve those deposits. If added regularly, say one bottle every 3,000 to 5,000 kilometers, it might reduce some carbon buildup. However, it's not a cure-all. If the engine is too old or the carbon buildup is too severe, fuel additives might not work, and a professional cleaning at the shop may be necessary. My personal advice is to try a bottle or two first to see if the idle becomes smoother. If there's no change, don’t waste money—getting a mechanic to handle it is more reliable. Overall, for minor issues, it can save some hassle, but don’t expect it to be a complete solution.
