Catalytic Converter Cleaners

14 min readJun 5, 2024
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Do you struggle with poor fuel efficiency and a sluggish engine? It might be time to clean your catalytic converter. In this article, we’ll be rounding up the top catalytic converter cleaners on the market. From DIY solutions to professional-grade products, we’ve got you covered. Get ready to rev up your ride with improved performance and fuel savings.

The Top 9 Best Catalytic Converter Cleaners

  1. Catalytic Converter Cleaner: Improve Performance & Reduce Engine Damage — MotorPower Care’s Catalytic Converter Cleaner: Optimize engine performance, restore power, and prevent damage with this German-made, easy-to-use fuel additive for gasoline and hybrid vehicles.
  2. Cataclean Fuel and Exhaust System Cleaner for Gasoline — 8 oz — Cataclean 120020CAT — A versatile, EPA-approved fuel and exhaust system cleaner for gasoline, diesel, and hybrid engines, enhancing performance and reducing emissions.
  3. Solder-It (CAT-1) Catalytic Converter Cleaner & Deodorizer — Solder-It (CAT-1) — the efficient 16 oz. catalytic converter cleaner and deodorizer that helps eliminate rotten egg odor, passes emissions control tests, and extends tune-up intervals.
  4. XADO Petrol Engine Catalytic Converter Cleaner — Keep your petrol engine running smoothly with XADO Catalytic Converter Protection — the ultimate solution for combustion, corrosion, and emissions!
  5. MotorPower Care 2-Can Catalytic Converter Cleaner — Revive your catalytic converter and turbocharger with ease, restoring engine performance and preventing costly replacements, all while adhering to safety guidelines for all petrol, diesel, and hybrid vehicles.
  6. Dura Lube Diesel DPF and Catalytic Converter Cleaner for Fuel Efficiency and Exhaust System Enhancement — Clean and maintain your diesel vehicle’s emissions system, reduce fuel consumption, and achieve better performance with Dura Lube Diesel DPF and Catalytic Treatment.
  7. Nitrox Clean Cat: Diesel Catalytic Converter Cleaner for Enhanced Performance and Reduced Emissions — Nitrox Clean Cat: Boost fuel efficiency, decrease emissions, and restore power with this advanced catalytic converter diesel cleaner in just one use.
  8. Catalytic Converter and Oxygen Sensor Cleaner for Improved Engine Performance — The AUTOPROFI OXICAT is a powerful catalytic converter cleaner that ensures optimal performance, removes soot and carbon deposits, and prevents issues on OBD, making it perfect for regular use in petrol and diesel vehicles.
  9. Cataclean Fuel and Exhaust System Cleaner for Gasoline, Diesel, and Hybrid Engines — EPA-approved, easy-to-use fuel and exhaust system cleaner that safely removes carbon build-up, optimizes powertrain performance, and reduces emissions for various gasoline, diesel, and hybrid engines.

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Reviews

Catalytic Converter Cleaner: Improve Performance & Reduce Engine Damage

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Introducing MotorPower Care’s Catalytic Converter Cleaner, a powerful solution to ensure your vehicle passes the emissions test. Designed to clean and unclog catalytic converters, this innovative product improves overall performance, restores lost horsepower, and enhances fuel efficiency. Suitable for both gasoline and hybrid engines, the additive is easy to use, simply pouring it into the fuel tank during refueling.

Regular use extends the catalytic converter’s life span, helping to maintain proper operation of turbochargers, O2 sensors, and catalytic converters. While the German-made cleaner offers impressive benefits, some users have reported mixed results, with a few stating it didn’t work for their specific vehicle. Nonetheless, for most, the MotorPower Care Catalytic Converter Cleaner delivers noticeable improvements, earning a solid 4.2 rating from satisfied customers.

Cataclean Fuel and Exhaust System Cleaner for Gasoline — 8 oz

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I recently gave Cataclean 120020CAT a try, and I have to say, I’m impressed with its ability to clean and maintain my vehicle’s engine. This fuel and exhaust system cleaner really does a great job in reducing carbon build-up and works wonders on my cylinder heads. What’s even better, I found it to be versatile and safe to use on gasoline, diesel, and hybrid engines.

I tried Cataclean on my lawn mower, and it seemed like it worked miracles. The exhaust system looked significantly cleaner after using it, which made me more confident that my equipment would run smoothly for a longer period. The small bottle could treat approximately 2 gallons of fuel, making it perfect for my needs.

Even though I haven’t used my motorcycle or jet ski, I plan to try Cataclean on them as well, considering how well it works on smaller engines like the lawn mower. The patented EPA-approved cleaner has made a noticeable difference in my vehicle’s performance, and I’m excited to see the results on other equipment as well.

However, I also noticed that there had to be a 15-minute break after using Cataclean before refilling the fuel tank. Although this wasn’t a deal-breaker for me, it might be bothersome for some users.

Overall, if you’re looking for a dependable and effective fuel system cleaner, Cataclean is a solid choice. It may require a short break before refueling, but the benefits it brings to the table are well worth the Wait.

Solder-It (CAT-1) Catalytic Converter Cleaner & Deodorizer

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I recently tried out Solder-It (CAT-1) Catalytic Converter Cleaner — 16 oz. in my daily life to see how well it worked. This product really helped me eliminate that pesky rotten egg smell that was lingering in my car.

It also seemed to make a difference in my emissions control test, as the check engine light went off after using it. The ease of use was quite appealing too — no need to take the car to a mechanic or spend hours under the hood.

However, I’m not sure if it will work for every car out there, as some people claimed it didn’t make a difference in their engine performance. Overall, if you’re looking for a catalytic converter cleaner that can help you pass emissions tests and deodorize your car, Solder-It might be worth a shot.

Just remember to follow the instructions closely and be patient for results.

XADO Petrol Engine Catalytic Converter Cleaner

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Last week, I decided to try out XADO’s Catalytic Converter Protection for Petrol Engine. I had been using the same fuel for quite some time and noticed my car was losing some of its power. So, I thought it was time to give this product a shot. I followed the instructions by adding the contents of the bottle through my fuel tank and then going for a drive.

One thing that stood out to me was its ability to clean the intake valves and combustion chamber. I could feel the power returning to my engine as it burned cleaner. Another positive was its protection against corrosion in the fuel system. I could rest easy knowing my car was safer from that issue.

However, there were a couple of negatives that I came across. I noticed some residue buildup on the catalytic converter after a couple of uses. It wasn’t a huge problem, but it did require some manual cleaning. Also, there was a slight burning smell the first time I used it. It’s not a major issue, but it’s worth mentioning.

Overall, I’m happy with the XADO Catalytic Converter Protection. It improved my fuel economy, cleaned my engine, and kept my fuel system safe from corrosion. It may not be perfect, but it’s certainly worth trying if you’re looking to give your engine a boost.

MotorPower Care 2-Can Catalytic Converter Cleaner

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If you’re in need of a catalytic converter cleaner, the MotorPower Care 2x Cans Catalytic Converter Cleaner is a great option. This powerful cleaner is designed to remove those pesky deposits that can often impair your vehicle’s performance. With regular use, you’ll enjoy the protection it provides against heavy dirt buildup.

This cleaner goes beyond just cleaning; it restores your engine’s performance, keeping your catalytic converter, turbocharger, and EGR valve working as they should. It’s perfect for petrol and diesel engines, as well as hybrid vehicles. It’s a breeze to use, and you don’t even need to disassemble anything.

In fact, you may be able to avoid replacing your catalytic converter altogether with this nifty tool. Plus, it can even help fix P0420 and P0430 codes if the catalyst isn’t broken. Make the MotorPower Care 2x Cans Catalytic Converter Cleaner your go-to choice for maintaining your vehicle’s catalytic converter.

Dura Lube Diesel DPF and Catalytic Converter Cleaner for Fuel Efficiency and Exhaust System Enhancement

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Introducing Dura Lube’s Black Label Diesel DPF & Catalytic Treatment, the ultimate solution for cleaning your vehicle’s diesel particulate filter (DPF) and catalytic converter. This innovative formula is designed to reduce soot build-up, lessen regenerate burn cycles, and increase exhaust system life.

Perfect for diesel engines, it assists in lowering emissions, enhancing engine performance, and improving fuel efficiency. However, be prepared for some trial and error, as its effectiveness may vary depending on the vehicle’s specific needs.

Overall, this Dura Lube Diesel DPF & Catalytic Treatment is a must-have for diesel engine enthusiasts, providing a comprehensive clean while restoring and maintaining exhaust and emissions efficiency.

Nitrox Clean Cat: Diesel Catalytic Converter Cleaner for Enhanced Performance and Reduced Emissions

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As a diesel engine owner, I was fascinated by the idea of a cleaner formulation that claimed to restore my engine back to life. After all, harmful carbon deposits can build up over time, causing inefficiency and decreased performance. So, I decided to try Nitrox Clean Cat, 17 fl oz, which is designed with technically advanced additives that do just that.

It’s a multi-functional formula that I found super easy to use; simply pour it straight into the fuel tank and let it do its magic. The Clean Cat formula immediately eliminates carbon deposits throughout the engine and catalytic converter. I noticed an enhancement in my vehicle’s performance, as it worked its way through the fuel and exhaust system.

One particular aspect stood out to me, the reduction of harmful exhaust emissions. Not only did it improve overall performance, but it also aided in restoring the original high performance of diesel engine vehicles. The cleaning action didn’t stop there: It also optimized fuel efficiency, resulting in a boost in torque, throttle response and BHP (Brake Horsepower), a truly significant addition.

The cleaning effect was immediate and I could feel the difference from day one. I was confident enough to use it every 3 months to safeguard my engine from carbon build-up and potential exhaust system part failure. With its smooth flow, I quickly discovered it was a great option for all petrol engines. Overall, it’s a brilliant product — a true all-rounder that can save on maintenance and enhance your driving experience.

Catalytic Converter and Oxygen Sensor Cleaner for Improved Engine Performance

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The AUTOPROFI OXICAT is a reliable catalytic converter and oxygen sensor cleaner that hails from Germany. It is not discontinued by the manufacturer and is available in Germany.

The product has a sleek and easy-to-use design, with dimensions of 7.47 x 2 x 3 inches. Known for its user-friendly features, it has a safety rating certified by TUV.

When it comes to performance, the AUTOPROFI OXICAT delivers. It effectively cleans the exhaust tract in various components including the catalytic converter, oxygen sensor, turbocharger, and EGR valve. This not only ensures a smooth running engine but also prevents or eliminates issues that might arise in the process. It even prevents or eliminates the problems that may show up in the OBD, making it a great tool for those with vehicles that do not pass emission tests.

The AUTOPROFI OXICAT is a versatile solution suitable for both petrol and diesel vehicles, especially those that have problems with emission testing. To use this, it is recommended to use it once every 3 to 4 months, maintaining a mixing ratio of 1: 300, with 250ml being enough for up to 60–80 liters of fuel.

Customer reviews have been generally positive, praising its ease of use and effectiveness in improving engine performance. However, some users reported that the product was not effective when the catalytic converter was severely blocked. In those cases, further investigation and possibly replacement may be necessary.

In conclusion, the AUTOPROFI OXICAT is a useful tool for auto enthusiasts seeking to maintain the performance and health of their catalytic converter and oxygen sensor, while also addressing potential emission issues. Its German origin adds to its credibility, making it a trusted choice among its users.

Cataclean Fuel and Exhaust System Cleaner for Gasoline, Diesel, and Hybrid Engines

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The Cataclean 120007–6 Fuel and Exhaust System Cleaner is designed to optimize your vehicle’s complete powertrain by reducing carbon build-up and cleaning your vehicle’s oxygen sensors, fuel injectors, and cylinder heads. This easy-to-use product is perfect for those who want to prolong the life of their catalytic converter and improve their car’s overall performance.

The patented formula in this fuel system cleaner utilizes a simple pour-and-go process, making it a convenient option for those on the go. The 16 oz bottle is compatible with all gas tanks, thanks to its original long-nose design, and is safe for use with both gasoline and diesel engines. It does not alter fuel composition, making it an ideal choice for hybrid vehicles as well.

Users have reported various positive experiences with this fuel system cleaner, such as clearing check engine lights, improving fuel efficiency, and overall enhanced engine performance. However, some reviewers have noted that the product did not live up to their expectations, suggesting that the results may vary depending on the vehicle and the extent of carbon build-up.

Overall, the Cataclean 120007–6 Fuel and Exhaust System Cleaner is a reliable and user-friendly option for those looking to maintain their vehicle and prevent any potential catalytic converter issues. While some users have experienced mixed results, the product’s popularity, ease of use, and proven effectiveness make it a valuable addition to any car owner’s toolbox.

Buyer’s Guide

Catalytic converters play a crucial role in reducing vehicle emissions. Over time, they can become clogged with carbon buildup and other contaminants, leading to a decrease in performance and fuel efficiency. Using a catalytic converter cleaner can help maintain optimal performance and extend the life of your converter. In this buyer’s guide, we’ll discuss the important features, considerations, and general advice for selecting the best catalytic converter cleaner for your needs.

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Types of Catalytic Converter Cleaners

There are two main types of catalytic converter cleaners: solvents and chemical formulas designed to break down carbon deposits and other contaminants that can hinder your converter’s performance. Solvent-based cleaners typically consist of aerosols or sprays, while chemical formulas are usually sold in liquid or gel form. Both types of cleaners can be effective, but it’s essential to choose one that is compatible with your specific converter and engine.

Ease of Use

Look for a catalytic converter cleaner that is easy to use and apply. Many products come with a hose attachment for easy application, while others may require a separate applicator or spray bottle. Follow the manufacturer’s instructions to ensure proper application and optimal results. Additionally, consider the product’s packaging and labeling for easy identification and storage.

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Safety and Environment

When choosing a catalytic converter cleaner, consider its safety and environmental impact. Ensure that the product is non-toxic and non-flammable, as these factors can reduce potential risks and minimize any harm to the environment. Some cleaners may require special handling or disposal instructions, so be sure to read the manufacturer’s guidelines before purchasing.

Effectiveness and Results

The cleaner’s effectiveness is crucial in restoring your catalytic converter’s performance. Look for products with a proven track record of breaking down carbon deposits and other contaminants. Read reviews, compare ratings, and consult with automotive professionals to determine which cleaner is best suited for your specific needs. Additionally, consider the time it takes for the cleaner to work and the potential for temporary performance improvements before experiencing long-term benefits.

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FAQ

What is a catalytic converter and why is it necessary to maintain its cleanliness?

A catalytic converter is vital to a vehicle’s exhaust system as it assists in reducing the release of hazardous pollutants, like carbon monoxide, hydrocarbons, and nitrogen oxides, into the environment. However, over time, this essential component can become contaminated by the deposits of carbon, ash, and other substances, significantly diminishing its ability to clean exhaust gases effectively. Consequently, maintaining a clean catalytic converter is crucial for improving vehicular fuel efficiency, enhancing overall drivability, and safeguarding both the vehicle and the environment.

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How do catalytic converter cleaners work?

Catalytic converter cleaners are primarily intended to break down and eliminate contaminants, such as carbon deposits and ash buildup, on the converter’s surface. These cleaners usually contain a chemical formula that can effectively remove these deposits without damaging the key catalytic converter materials, like platinum, palladium, and rhodium. Most catalytic converter cleaners are formulated to address specific types of deposits, like hardened carbon or ash. They can be applied to the catalytic converter in the form of a solution or spray, allowing it to sit for a prescribed period before driving with the engine at a high temperature to aid in the cleaning process.

Is it safe to utilize a catalytic converter cleaner?

Yes, generally, catalytic converter cleaners are designed to be safe for vehicles. They are formulated to target specific types of deposits without damaging the converter’s core materials or other vehicle components. However, it is critical to follow the manufacturer’s instructions for proper application to prevent potential issues. Improper use of the cleaner, such as using excessive amounts or not allowing the engine to reach the recommended operating temperature, can result in reduced cleaning effectiveness or potential damage. Furthermore, some vehicle warranties may not cover damages caused by misuse of cleaning products, so adhering to the manufacturer’s guidelines is crucial.

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What sets catalytic converter cleaners apart from other fuel additives?

Although catalytic converter cleaners and fuel additives both strive to enhance a vehicle’s engine performance, they serve different purposes and require different application methods. The former, specifically designed for a catalytic converter, targets and removes deposits to enhance its performance and extend its life. On the other hand, fuel additives primarily aim to improve the overall engine performance, fuel efficiency, and reduce emissions.

Is it possible to utilize a catalytic converter cleaner for diesel-powered vehicles?

Yes, diesel vehicles can benefit from catalytic converter cleaners. Though they possess different exhaust systems and emission standards than gasoline-powered cars, diesel-powered cars also employ catalytic converters to cut back on emissions. Consequently, using a catalytic converter cleaner on a diesel vehicle can enhance performance and fuel efficiency. However, it is essential to follow the manufacturer’s instructions for the specific cleaner being used, as some products may not be suitable for diesel vehicles or may require altered application procedures.

How frequently should a catalytic converter cleaner be used?

The cleaning frequency for a catalytic converter cleaner varies based on factors like the type of vehicle, driving conditions, and the particular cleaner being used. Typically, most catalytic converter cleaners are designed for periodic use, such as every 5,000 to 10,000 miles, to maintain the converter’s performance and prevent over-accumulation of deposits. It is crucial to follow the manufacturer’s guidelines for the specific cleaner and consider the vehicle’s age, driving habits, and local emissions regulations when establishing the appropriate cleaning schedule. Overusing the cleaner can result in diminished effectiveness and potential damage to the converter.

As an Amazon Affiliate, we may earn through qualifying purchases.

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Stephen Smith
Stephen Smith

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