
Cataclean is a patented and EPA-approved fuel and exhaust system cleaner that reduces carbon build-up and cleans your vehicle's oxygen sensors, fuel injectors, and cylinder heads. It is a unique blend of hydrocarbons and known fuel constituents that are compatible for use in internal combustion engines. Cataclean eliminates fuel injector build-up, cleaning the fuel system for maximum power production. It is also safe for gasoline, diesel, and hybrid engines.
| Characteristics | Values |
|---|---|
| Cleans fuel injectors | Yes |
| Cleans oxygen sensors | Yes |
| Cleans cylinder heads | Yes |
| Cleans catalytic converter | Yes |
| Cleans diesel particulate filters (DPF) | Yes |
| Reduces carbon build-up | Yes |
| Reduces hydrocarbon emissions | Yes |
| Improves fuel efficiency | Yes |
| EPA-approved | Yes |
| Patented | Yes |
| Safe for gasoline, diesel, and hybrid engines | Yes |
| Legal in all 50 US states | Yes |
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What You'll Learn

Cataclean's patented formula
Cataclean is a patented EPA-approved fuel and exhaust system cleaner that reduces carbon build-up and cleans your vehicle's oxygen sensors, fuel injectors, and cylinder heads. It is a unique blend of hydrocarbons and known fuel constituents, which are safe for internal combustion engines. Cataclean does not alter fuel composition and is safe for gasoline, diesel, and hybrid engines.
The main constituents of the Cataclean formulation are acetone, isopropanol, xylene, and long-chain hydrocarbons, namely paraffin. Cataclean also contains solvents to help remove deposits that may be formed in fuel delivery systems pre-combustion. Deposits may form on fuel lines, injectors, sensors, or filters, resulting in increased fuel consumption and reduced engine performance.
The Cataclean formulation produces a carboxylic acid vapour, which helps clean the catalytic converter. The identified products of combustion are acetaldehyde, formaldehyde, alkylperoxides, and hydrogen peroxide. Aldehydes oxidise to form carboxylic acids, which strip away inorganic contaminants, and the catalytic converter can convert hydrogen peroxide to water and oxygen to aid oxidation.
Cataclean is easy to use. Simply add it to your fuel tank as directed, and no special tools or mechanical skills are required. It is recommended to use a ratio of one 450ml bottle of Cataclean to approximately 15 litres of fuel. Then, drive for at least 15 minutes and refuel when necessary. It is recommended to use Cataclean four times a year to help maintain proper engine operation and catalytic converter efficiency.
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$10.99

How to use Cataclean
Cataclean is a patented and EPA-approved fuel and exhaust system cleaner that reduces carbon build-up and cleans your vehicle's oxygen sensors, fuel injectors, and cylinder heads. It is safe for gasoline, diesel, and hybrid engines. It is recommended to use Cataclean four times a year for optimum performance and protection. Here is a step-by-step guide on how to use Cataclean:
Step 1: Remove the seal from the bottle of Cataclean Liquid Science.
Step 2: Empty the entire contents of the bottle into your fuel tank. The recommended ratio is one 450ml bottle of Cataclean to approximately 15 litres of fuel, which is roughly a quarter of a tank. If you have half a tank of fuel, you can use two bottles.
Step 3: Drive your car for at least 15 minutes or 50 miles. If you have used Cataclean and the issue persists, drive until you get back to a quarter tank of fuel and then try another bottle.
Step 4: Refuel when necessary.
Step 5: Repeat this process every 3,000 miles or four times a year for best results.
By following these steps, you can effectively use Cataclean to clean your fuel injectors, maintain your vehicle, and improve its performance.
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Cataclean's compatibility with engines
Cataclean is a patented and EPA-approved fuel and exhaust system cleaner that is compatible with both gasoline and diesel engines. It is also safe for use in hybrid and flex-fuel vehicles and is 50-state legal, complying with VOC, OTC, and federal low sulfur content regulations.
The product is designed to be used four times a year and is easy to apply, with users simply pouring the contents into their gas tank and driving until close to empty. It does not alter fuel composition and helps to clean and maintain vital engine components, including fuel injectors, oxygen sensors, cylinder heads, and diesel particulate filters (DPF).
By reducing carbon build-up and removing deposits from fuel delivery systems, Cataclean can help improve fuel efficiency, enhance engine performance, and reduce harmful emissions. It can also help clear check engine lights and maintain catalytic converter efficiency, leading to optimal vehicle performance and reduced repair costs.
The unique blend of hydrocarbons and fuel constituents in Cataclean is compatible with internal combustion engines. The product's formulation contains solvents and acetone, which help remove deposits and enhance fuel combustion efficiency. The by-products of Cataclean combustion remove carbon build-up and other contaminants from the vehicle's exhaust system, catalytic converter, and oxygen sensors.
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Carbon build-up in fuel injectors
The formation of carbon deposits is a natural consequence of the combustion process. As fuel is burned, carbon particles can adhere to the injectors, gradually building up and affecting their performance. This build-up can also occur due to the presence of residual sulfur in gasoline, which can corrode fuel gauge sending units and contribute to carbon accumulation.
To address carbon build-up in fuel injectors, several mechanical solutions and preventative measures are available:
- Fuel injector cleaning: This service involves using specialized detergents or chemicals to clean the injectors and remove carbon deposits. For port fuel injectors, a detergent like PIBA (polyisobutylene-amine) can be used, while GDI/direct injectors require a stronger detergent like PEA (polyether-amine) due to the higher temperatures they operate in.
- Regular maintenance: Scheduled maintenance, including full synthetic oil changes and spark plug replacements, can help prevent carbon build-up. Oil changes should be performed regularly, and spark plugs should be replaced at the factory-recommended mileage.
- Chemical treatments: Products like Cataclean, a patented fuel treatment, can be used to reduce carbon build-up and clean fuel injectors. Cataclean is EPA-approved and safe for various engine types, including gasoline, diesel, and hybrid engines. It is recommended to be used four times a year and can help improve engine performance and fuel efficiency.
- Intake manifold cleaning: In severe cases of carbon build-up, the intake manifold may need to be disassembled for thorough cleaning of the valves using specialized chemicals, wire brushes, and picks. This process may involve soaking, scrubbing, and re-soaking the valves multiple times to effectively remove the carbon deposits.
By understanding the causes and implementing these solutions, vehicle owners can effectively manage carbon build-up in fuel injectors, ensuring optimal engine performance and fuel efficiency.
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Catalytic converter problems
Catalytic converters are included in cars to help reduce air pollution. They are an essential component of a vehicle's exhaust system, used to filter out pollutants created during the combustion process. When a manufacturer places a catalytic converter in a car, it usually lasts the lifetime of the vehicle. However, catalytic converters can fail and there are several symptoms to watch out for.
Firstly, the check-engine light will often come on. This is one of the easiest troubleshooting methods, but your sensors may not always catch the problem right away. Other signs include a dramatic loss of engine power, poor acceleration, a rotten-egg smell from the exhaust, or the engine shutting off after running for a short time, or not starting at all. The primary cause of structural damage to catalytic converters is road debris striking the converter.
If you are experiencing catalytic converter problems, you can use a catalytic converter cleaner, such as Cataclean, to remove carbon build-up. Cataclean is a patented and EPA-approved fuel and exhaust system cleaner that reduces carbon build-up and cleans your vehicle's oxygen sensors, fuel injectors, and cylinder heads. It is recommended that you use Cataclean four times a year. However, one application may not be enough to clean an already unhealthy catalytic converter.
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Frequently asked questions
Yes, Cataclean is a patented and EPA-approved fuel and exhaust system cleaner that cleans fuel injectors, removing deposits and improving fuel economy.
It is recommended to use Cataclean four times a year to help maintain proper engine operation and catalytic converter efficiency.
Remove the seal before emptying an entire bottle of Cataclean into your fuel tank. Then, drive for at least 15 minutes and refuel when necessary.











































