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How to Clean Carbon Deposits in Cars?

4 Answers
LukeLee
07/23/25 11:02pm
Here are the methods for dealing with carbon deposits in cars: 1. Engine disassembly and cleaning is the most effective way to remove carbon deposits, but the entire process requires a significant amount of time and effort. The engine must be disassembled, and carbon deposits on the components are completely and thoroughly removed using cleaning agents, ultrasonic methods, etc. 2. Using an engine cleaning drip system involves hanging a bottle-shaped tool above the engine, pouring cleaning agent into the tool, and then introducing it into the engine through a conduit to achieve the goal of cleaning carbon deposits. 3. Machine cleaning involves injecting cleaning agents into a machine, which then pressurizes the agents into the combustion chamber to react with and dissolve the carbon deposits, followed by extracting the waste liquid. This method is quite effective for severe carbon deposits and does not require engine disassembly, but an oil change is necessary after cleaning.
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RubyAnn
08/10/25 6:46pm
I have ten years of driving experience, and cleaning carbon deposits is an essential part of car maintenance. Carbon deposits are mainly carbon residues left by incomplete fuel combustion in the engine. Over time, they can clog places like fuel injectors and spark plugs, leading to reduced power, increased fuel consumption, and even difficulty starting. I usually add fuel cleaner to the fuel tank and perform this maintenance every 5,000 kilometers. That specialized cleaning solution can break down carbon residues and gradually remove internal dirt. Additionally, I occasionally let the car run at high speeds—shifting to a lower gear and revving the engine for a few minutes—to use the airflow to flush out some of the carbon deposits. If the problem is particularly severe, I have to take it to a professional repair shop to open the engine cover and clean it manually. The benefits of cleaning carbon deposits aren’t just keeping the car running smoothly but also extending the engine’s lifespan and saving on repair costs.
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Alexis
09/23/25 7:10am
In the repair shop, I've seen too many carbon deposit issues, and there are several simple cleaning methods. One is to use a fuel system cleaner, adding it to the gasoline and driving for a few dozen kilometers to see results—it's cheap and practical, but don't use it too frequently as it can damage parts. The second method is to use a cleaning oil when changing the engine oil, driving for ten minutes before replacing it with new oil to remove internal dirt. The third method is manual cleaning of the intake tract or throttle body using professional tools. I recommend car owners perform minor cleaning every 30,000 kilometers to prevent major issues. Not removing carbon deposits can accelerate component wear and affect vehicle performance and safety. Regular maintenance should also pay attention to fuel quality—using fuel from reputable gas stations with fewer impurities will result in less carbon buildup.
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FaithDella
11/07/25 2:37am
I care deeply about the environment and prefer eco-friendly ways to clean carbon deposits. Using ecological cleaners like fuel additives is a great choice. They are made from biological components and naturally decompose carbon deposits while driving, protecting the air. Another method is high-speed driving with a warmed-up engine to clear deposits, avoiding harmful emissions. I've tried regular throttle body cleaning, which is simple and effective. Proper maintenance to reduce carbon buildup also improves fuel efficiency, contributing to emissions reduction for the planet.
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