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How to Clean Carbon Deposits in Family Sedans?

1 Answers

VincentMarie

08/26/25 3:02am

To clean internal engine carbon deposits, pour the cleaning agent into the engine oil tank, start the engine and let it idle for 10 minutes before turning it off. To clean fuel system carbon deposits, add the entire bottle of fuel additive into the fuel tank before refueling. Generally, one bottle of fuel additive is used for a 50-80 liter fuel tank. Cleaning internal engine carbon deposits: Open the engine oil cap, pour in the entire can of cleaning agent, then close the oil cap. Start the engine and let it idle for 10 minutes before turning it off. Cleaning internal engine carbon deposits dissolves sludge, gum, moisture, and metal debris deposits inside the engine, reducing contamination of new engine oil and extending the engine's lifespan. The cleaning cycle is generally every 30,000 kilometers. Cleaning fuel system carbon deposits: Before refueling, add the entire bottle of fuel additive into the fuel tank. Generally, one bottle is used for a 50-80 liter fuel tank. Cleaning fuel system carbon deposits includes cleaning the fuel injectors, combustion chamber, spark plugs, throttle valve, etc., aiming to resolve issues such as insufficient horsepower, high fuel consumption, engine shaking, poor acceleration, or difficulty starting caused by carbon deposits, gum, and dirt in the fuel system. Cleaning intake system carbon deposits: Purchase a bottle of intake system cleaner, pour it into the liquid storage tank of a dedicated cleaning device, connect it to the intake system, and use the engine vacuum to draw the cleaner into the intake tract for cleaning. Cleaning intake system carbon deposits mainly refers to cleaning carbon deposits inside the intake tract and intake manifold, aiming to remove internal carbon deposits, increase intake flow and speed, and reduce engine shaking and idle instability.

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