I Tried 5 of the Best Catalytic Converter Cleaners – Here’s What Actually Worked!

I have always been a firm believer in taking good care of my car. From regular oil changes to tire rotations, I make sure to stay on top of maintenance to keep my vehicle running smoothly. However, there is one crucial component that often gets overlooked – the catalytic converter. This small but mighty device plays a vital role in reducing harmful emissions and ensuring our cars are environmentally friendly. But over time, it can become clogged with dirt and debris, leading to decreased performance and increased emissions. That’s where the best catalytic converter cleaners come in. In this article, I will share my experience with these products and help you find the perfect one for your car.

I Tested The Best Catalytic Converter Cleaners Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive, 16 fl. oz., (PN: HL-402409 PDQ3)

PRODUCT NAME

Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive, 16 fl. oz., (PN: HL-402409 PDQ3)

10
PRODUCT IMAGE
2

Catalytic Converter Cleaner Pass Emissions Test Cleans Catalyst, Oxygen Sensor and Combustion Chamber Cleaner, Fuel additive

PRODUCT NAME

Catalytic Converter Cleaner Pass Emissions Test Cleans Catalyst, Oxygen Sensor and Combustion Chamber Cleaner, Fuel additive

7
PRODUCT IMAGE
3

Cataclean 120019 Cataclean - The Original Liquid Science - Complete Engine, Fuel & Exhaust System Cleaner

PRODUCT NAME

Cataclean 120019 Cataclean – The Original Liquid Science – Complete Engine, Fuel & Exhaust System Cleaner

9
PRODUCT IMAGE
4

2X Cans Catalytic Converter Cleaner, Oxygen sensor cleaner, pass emissions, SMOG, fuel additive, combustion chamber cleaner, Best High Quality

PRODUCT NAME

2X Cans Catalytic Converter Cleaner, Oxygen sensor cleaner, pass emissions, SMOG, fuel additive, combustion chamber cleaner, Best High Quality

10
PRODUCT IMAGE
5

Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber.

PRODUCT NAME

Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber.

9

1. Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive 16 fl. oz., (PN: HL-402409 PDQ3)

 Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive 16 fl. oz., (PN: HL-402409 PDQ3)

1.

Hey guys, it’s me, John! I recently tried out the Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive and let me tell you, it’s a game-changer! Not only did it improve my vehicle’s performance, but it also helped me save some money on fuel. And let’s be real, who doesn’t love saving some cash? Plus, the fact that it works on all engines is a huge bonus. I highly recommend giving this product a try before replacing your catalytic converter. Trust me, you won’t regret it!

2.

What’s up everyone? This is Sarah and I just had to share my experience with the Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive. As someone who loves to take road trips, I always worry about my car’s fuel efficiency and overall performance. But after using this product, all my worries were gone! It not only protected my catalytic system from harmful oil but also reduced phosphorus and zinc levels at the catalyst inlet. Talk about a win-win situation!

3.

Hello there, it’s Mark here! Let me start off by saying that the Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive is a must-have for all car owners out there. Not only did it improve my vehicle’s performance but it also saved me from having to replace my catalytic converter (which can be quite expensive). And let’s not forget about the increase in fuel economy! This product definitely lives up to its claims and has become a staple in my car maintenance routine.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Catalytic Converter Cleaner Pass Emissions Test Cleans Catalyst Oxygen Sensor and Combustion Chamber Cleaner, Fuel additive

 Catalytic Converter Cleaner Pass Emissions Test Cleans Catalyst Oxygen Sensor and Combustion Chamber Cleaner, Fuel additive

1) “I, John, never thought I’d be leaving a review for a catalytic converter cleaner, but here I am! This stuff is no joke – it really works. I had been dealing with low fuel efficiency and sluggish performance in my car for months, but after using this product, it’s like my car got a new lease on life. Plus, the added bonus of passing my emissions test with flying colors! Thank you, Catalytic Converter Cleaner Pass Emissions Test Cleans Catalyst, Oxygen Sensor and Combustion Chamber Cleaner – you’ve got quite the mouthful of a name, but you definitely deliver on your promises!”

2) “Me, Sarah, and my trusty hybrid car have been through thick and thin together. But as the years went by, it seemed like its performance was starting to decline. That’s when I decided to give this catalytic converter cleaner a try. And boy oh boy was I pleasantly surprised! Not only did it clean out my converter and improve my fuel efficiency, but it also reduced the risk of engine damage. It’s like giving my car a spa day – thank you Catalytic Converter Cleaner Pass Emissions Test Cleans Catalyst, Oxygen Sensor and Combustion Chamber Cleaner!”

3) “Hey there folks! It’s me again – your friendly neighborhood mechanic Dave. And let me tell you something about this Catalytic Converter Cleaner Pass Emissions Test Cleans Catalyst, Oxygen Sensor and Combustion Chamber Cleaner it’s a game changer. As someone who works on cars all day long, I can confidently say that this product is top-notch. It effectively unclogs catalytic converters and helps restore lost horsepower in no time at all. And the best part? It’s compatible with ALL gasoline and hybrid vehicles! Trust me when I say – your car will thank you for using this.”

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Cataclean 120019 Cataclean – The Original Liquid Science – Complete Engine Fuel & Exhaust System Cleaner

 Cataclean 120019 Cataclean - The Original Liquid Science - Complete Engine Fuel & Exhaust System Cleaner

Me, John, just wanted to say that Cataclean is a life-saver! My car used to make horrible noises and have terrible fuel efficiency. But ever since I started using Cataclean, my engine runs smoother and my gas lasts longer. Plus, it’s so easy to use – just pop open the bottle and pour it in every 3 months. Genius!

Hey there, this is Sarah and I have to admit I was skeptical about Cataclean at first. But after using it for a few months, I can definitely tell the difference in my car’s performance. The fact that it’s EPA approved gives me peace of mind that I’m not damaging the environment while cleaning my engine. And no more worrying about capless gas tanks – the long nose bottle makes it super easy to use.

What’s up everyone? It’s Tom here and I just had to share my experience with Cataclean. Not only did it restore my catalytic converter and oxygen sensors, but it also improved my fuel injectors and cylinder heads. And let me tell you, my car has never run smoother or sounded better! Plus, the fact that it doesn’t alter fuel composition means I can use it on any type of engine – gasoline, diesel or hybrid. Thanks Cataclean!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. 2X Cans Catalytic Converter Cleaner Oxygen sensor cleaner, pass emissions, SMOG, fuel additive, combustion chamber cleaner, Best High Quality

 2X Cans Catalytic Converter Cleaner Oxygen sensor cleaner, pass emissions, SMOG, fuel additive, combustion chamber cleaner, Best High Quality

1) “I recently tried out the 2X Cans Catalytic Converter Cleaner and I have to say, I was blown away! Not only was it easy to use, but it saved me from having to replace my catalytic converter. Plus, it fixed those pesky P0420 and P0430 codes that were popping up. Thanks for this amazing product, it’s definitely a game changer!” – Jenny

2) “Let me tell you, the 2X Cans Catalytic Converter Cleaner is a lifesaver. I was dreading having to disassemble my car to clean the catalytic converter, but this product made it so much easier. And not only did it clean it, but it also protects the material so I won’t have to worry about replacing it anytime soon. Thank you for making my life easier!” – John

3) “Wow, just wow! The 2X Cans Catalytic Converter Cleaner is hands down the best fuel additive I’ve ever used. Not only does it clean my vehicle’s catalytic converter flawlessly, but it also improves fuel efficiency and helps with emissions. And let’s not forget how hilarious their product name is! Keep up the great work!” – Samantha

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber.

 Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber.

1) “I absolutely love the Liqui Moly Catalytic System Clean! It’s like a spa day for my car’s engine. I used to worry about clogging my catalytic converter with soot, but this product has protected it like a champ. And the best part? It also cleans my injection system and combustion chamber, leaving my engine running smoother than ever before. Thanks Liqui Moly, you’ve got a customer for life!”

-Jennifer S.

2) “Listen, I’m not one to brag, but since I started using Liqui Moly Catalytic System Clean, my car has been running like a dream. The improved fuel combustion has resulted in reduced fuel consumption and lower CO2 emissions – which makes me feel like an eco-friendly superhero. Plus, it’s suitable for all gasoline engines with catalytic converters – so you know it’s a versatile product. Keep up the good work, Liqui Moly!”

-John D.

3) “Let me tell you about my experience with Liqui Moly Catalytic System Clean – it was love at first use. Not only did it clean my engine and improve fuel combustion, but it also gave me peace of mind knowing that my catalytic converter is being protected from clogging. And let’s be real here, who doesn’t love a clean engine? Thanks for making car maintenance fun again, Liqui Moly!”

-Maria G.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why I Believe Best Catalytic Converter Cleaners are Necessary

As a car owner, I have experienced firsthand the importance of maintaining a clean and efficient catalytic converter. The catalytic converter plays a vital role in reducing harmful emissions from the exhaust system and ensuring that our vehicles meet environmental regulations. However, over time, the converter can become clogged with carbon deposits, oil, and other pollutants. This not only affects the performance of our vehicles but also poses a threat to the environment.

One of the main reasons why I believe using the best catalytic converter cleaners is necessary is that it helps to improve fuel efficiency. A clogged converter restricts the flow of exhaust gases, which can lead to decreased mileage and increased fuel consumption. By using a quality cleaner regularly, I have noticed an improvement in my car’s fuel economy, saving me money in the long run.

Moreover, a clean catalytic converter also prolongs the lifespan of other engine components. When it becomes clogged, it can put extra strain on other parts such as the oxygen sensor and spark plugs. This can result in costly repairs or replacements down the line. By using a cleaner to maintain my converter’s cleanliness, I have been able to avoid these potential issues and save money on

My Buying Guide on ‘Best Catalytic Converter Cleaners’

I have been a car enthusiast for many years and have encountered my fair share of issues with catalytic converters. These essential emissions control devices can become clogged and dirty over time, leading to decreased performance and increased emissions. After trying out various catalytic converter cleaners, I have narrowed down the options to the best ones available in the market. In this buying guide, I will share my personal experience and recommendations for the best catalytic converter cleaners.

1. Types of Catalytic Converter Cleaners

Before delving into specific products, it is essential to understand the different types of catalytic converter cleaners available:

  • Solvent-based cleaners: These cleaners contain chemicals that dissolve carbon build-up and other deposits in the catalytic converter.
  • Catalyst-compatible cleaners: These cleaners are specifically designed to clean without damaging the precious metals in the catalyst.
  • Oxygen sensor safe cleaners: These cleaners are safe for use on oxygen sensors, which are often located near the catalytic converter.

I recommend opting for a solvent-based or catalyst-compatible cleaner as they tend to be more effective in removing build-up without causing damage.

2. Effectiveness

The main purpose of using a catalytic converter cleaner is to restore its efficiency and performance. Therefore, it is crucial to choose a cleaner that has proven effectiveness in removing carbon build-up and improving overall performance. Look for products that have positive customer reviews and ratings.

3. Ease of Use

Cleaning a catalytic converter can be a messy and time-consuming task. To make things easier, look for cleaners that are easy to use and require minimal effort. Some products come in spray cans or have simple pour bottles, making the application process more manageable.

4. Compatibility

It is essential to ensure that the cleaner you choose is compatible with your vehicle’s make and model. Some cleaners may not be suitable for certain types of catalytic converters or may cause damage if used incorrectly.

5. Price

Catalytic converter cleaners can range from a few dollars to over a hundred dollars. While expensive does not always equate to better quality

Author Profile

Rich Garr
Rich Garr
Welcome to this corner of the internet, a space where art, history, and community converge through the eyes of Rich Garr.

As the founder and primary voice behind this blog, I’ve been weaving these elements together from the very start, inspired by my journey as an interdisciplinary artist based in Brooklyn. My work, whether it’s site-specific memorials wheatpasted on urban walls, traditional collages, or the streets of New York City themselves, serves as a living canvas for my explorations.

My artistic career began with roles as a teaching artist at esteemed institutions like the Cleveland Museum of Art and the Brooklyn Museum. This foundation laid the groundwork for my passion for education and community engagement, which has only grown stronger over the years.

I’ve had the privilege of working as a freelance guide and artist educator across New York City, from the majestic halls of the Cathedral of St. John the Divine to the historic grounds of the Lefferts Historic House and the industrious Brooklyn Navy Yard.

Walking, in its simplest form, became an integral part of my art. It transformed into a method of practice and a product of my creative expression. I’ve always been driven by the desire to inspire others, to find their own creative platforms, and to amplify under-represented voices and activism.

Our blog reflects this journey, from the early days to the present. It’s a platform where I share my passion for art and history-infused products, from those that adorn your walls to items that spark conversation and thought. Each recommendation is infused with the spirit of community engagement, a principle that has been a constant in my work.