How to Clean Carbon Deposits in the Fuel Tank?

2 Answers
AdelynLynn
09/02/25 4:25am
Methods for treating carbon deposits in the fuel tank: 1. Go to a repair shop: In this case, you can only go to a repair shop or a 4S store, which is relatively more expensive, but the effect is much better than fuel additives. This method is more practical and not particularly expensive. It is best to use this method every 20,000 kilometers to more effectively remove carbon deposits. The longer the time, the harder it is to remove carbon deposits. A small amount of carbon deposits that cannot be removed will not affect use. 2. Add fuel additives: The effect of fuel additives is not particularly significant. The advantage of choosing this method is simplicity, as you only need to spend the cost of the liquid and can add it to the fuel tank yourself. If you use this method and ensure that a bottle of the liquid is added to every tank of fuel, it will have a certain effect on the carbon deposits in the fuel tank.
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MacAmy
09/14/25 6:37am
I'm quite obsessed with car maintenance, and I often help my friends with cleaning carbon deposits in the fuel tank. The key is to use professional fuel additives, such as those well-known system cleaners from major brands. After pouring them into the fuel tank, drive for several dozen kilometers to let the engine run and flush away the carbon deposits. If the carbon buildup is severe, it's necessary to go to a repair shop for a thorough cleaning, where they use high-pressure equipment to completely flush the interior. It's also important to identify the cause, which might be due to using low-quality gasoline or long-term lack of maintenance. After cleaning, it can improve startup smoothness and fuel efficiency, but safety-wise, you must wait for the car to cool down to avoid fire hazards. For prevention, always use high-quality fuel and regularly add maintenance products to avoid engine inefficiency. I check my car every 5,000 kilometers to ensure it runs healthily.
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