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What is the function of a three-way catalytic converter cleaner?

4 Answers
ODamian
07/29/25 8:21pm
The functions of a three-way catalytic converter cleaner are as follows: 1. Improve the oxidation-reduction efficiency of the three-way catalytic converter. 2. Reduce exhaust emissions, unclog the three-way catalytic converter passages, lower exhaust backpressure, and enhance engine horsepower. 3. Decrease fuel consumption and extend the service life of the three-way catalytic converter. Precautions for using a three-way catalytic converter cleaner: 1. Before cleaning, check whether the catalytic converter has mechanical damage, thermal sintering, has exceeded 200,000 kilometers, or suffers from lead poisoning. If any of these conditions exist, cleaning will be ineffective. 2. Check whether the air-fuel mixture concentration is appropriate. 3. Before cleaning the catalytic converter, clean the throttle valve, fuel injectors, and combustion chamber. 4. During the cleaning process, do not let the engine stall. 5. During the cleaning process, the idle speed should not be too high to avoid overheating the three-way catalytic converter.
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DeSadie
08/14/25 4:57pm
I used to use a catalytic converter cleaner to deal with exhaust issues in my old car. This stuff mainly cleans carbon deposits and buildup inside the catalytic converter, preventing clogging that could lead to excessive emissions or reduced power. When you add it to the fuel tank, it flows through the exhaust system with the fuel, dissolving dirt and restoring the converter's efficiency, reducing harmful gas emissions. For example, when my car's catalytic converter had carbon buildup, it kept failing the annual inspection. After using the cleaner once, the emission values returned to normal, and fuel consumption even dropped a bit. I usually add a bottle every 5,000 kilometers to keep the catalytic converter healthy, avoiding expensive replacement costs and extending the component's lifespan. It's quite convenient for daily maintenance, but don't overuse it—just choose a product suitable for your vehicle model.
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LeGenesis
10/16/25 3:56am
From an environmental perspective, the key role of a three-way catalytic cleaner is to optimize catalytic converter performance and reduce exhaust pollution. As someone who cares about vehicle emissions, I've found that after this additive removes carbon deposits, the converter can more efficiently transform carbon monoxide and hydrocarbons, helping to reduce environmental pollution. In daily use, it's like giving the exhaust system a bath—improving fuel economy while ensuring compliance with emissions tests. I make it a habit to add it regularly to prevent clogging issues, which not only saves money but also protects the ecosystem. It's a simple, easy way to contribute to green mobility. Just remember to follow the manual instructions and avoid misuse to prevent counterproductive effects.
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LailaFitz
11/29/25 4:44am
As a new car owner, I learned to use a catalytic converter cleaner, which mainly removes carbon deposits in the exhaust catalyst to prevent clogging and emission issues. After adding it to the fuel, it dissolves impurities to keep the converter functioning properly, ensuring cleaner emissions and easier passing of annual inspections. Initially, it's very simple—just pour a bottle into the fuel tank according to the instructions and let it work through the system. Avoid using it too frequently; adding it once during a maintenance cycle is sufficient. The benefits include preventing power loss and potentially improving fuel efficiency. It’s easy to use and suitable for regular maintenance.
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