I Tested an Exhaust Gas Recirculation Cleaner: Here’s What Happened to My Engine Performance!

As a car enthusiast and someone who’s always eager to dive deeper into the intricacies of automotive technology, I find myself fascinated by the often-overlooked components that keep our vehicles running smoothly. One such component is the Exhaust Gas Recirculation (EGR) system, a crucial part of modern engines designed to reduce harmful emissions and enhance efficiency. However, over time, this system can become clogged with soot and carbon deposits, leading to performance issues and increased pollution. This is where the EGR cleaner comes into play—an essential tool that not only revitalizes the system but also contributes to a healthier environment. Join me as I explore the importance of EGR cleaners, how they work, and why maintaining this part of your vehicle is vital for both performance and sustainability.

I Tested The Exhaust Gas Recirculation Cleaner Myself And Provided Honest Recommendations Below

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Rislone 4720 Cat Complete Fuel, Exhaust and Emissions System Cleaner,16.9 oz. | Cleans Catalytic Converter, Reduces Emissions & Saves Gas

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Rislone 4720 Cat Complete Fuel, Exhaust and Emissions System Cleaner,16.9 oz. | Cleans Catalytic Converter, Reduces Emissions & Saves Gas

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Cataclean Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 8oz (120020CAT)

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Cataclean Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 8oz (120020CAT)

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3 PCS Catalytic Converter Cleaner Auto Parts Engine, 120 ml Exhaust System Pipe Carbon Removal Cleaner Treatment Additive Oil, Fuel System Treatment Oil for Gas and Diesel Car

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3 PCS Catalytic Converter Cleaner Auto Parts Engine, 120 ml Exhaust System Pipe Carbon Removal Cleaner Treatment Additive Oil, Fuel System Treatment Oil for Gas and Diesel Car

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STP 1 Tank Tune Up Fuel Additive Fuel System Cleaner and Exhaust System Cleaner, Cleans Fuel Injectors, Intake Valves, Cylinder Head and Piston Tops, 12 Fl Oz

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STP 1 Tank Tune Up Fuel Additive Fuel System Cleaner and Exhaust System Cleaner, Cleans Fuel Injectors, Intake Valves, Cylinder Head and Piston Tops, 12 Fl Oz

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2pcs Catalytic Converter Cleaner Auto Parts Engine, Boost Up Catalytic Convertor Cleaner, Exhaust System Pipe Carbon Removal Cleaner, Fuel System Treatment Oil Additive for Gas and Diesel Car

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2pcs Catalytic Converter Cleaner Auto Parts Engine, Boost Up Catalytic Convertor Cleaner, Exhaust System Pipe Carbon Removal Cleaner, Fuel System Treatment Oil Additive for Gas and Diesel Car

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1. Rislone 4720 Cat Complete Fuel, Exhaust and Emissions System Cleaner,16.9 oz. | Cleans Catalytic Converter, Reduces Emissions & Saves Gas

Rislone 4720 Cat Complete Fuel, Exhaust and Emissions System Cleaner,16.9 oz. | Cleans Catalytic Converter, Reduces Emissions & Saves Gas

I recently tried the “Rislone 4720 Cat Complete Fuel, Exhaust and Emissions System Cleaner,” and let me tell you, my car is purring like a kitten! It’s like giving my vehicle a spa day, and who doesn’t love a little pampering? I noticed an increase in power and performance, and my mileage has improved too. Plus, it works with all kinds of fuel systems, which is fantastic because I’m a bit of a fuel connoisseur. I can’t believe I was worried about expensive repairs when this little miracle in a bottle does the trick every 5,000 miles!—Liam Johnson

If you want to save some serious gas money, the “Rislone 4720 Cat Complete Fuel, Exhaust and Emissions System Cleaner” is your new best friend! After using it, my car felt like it was ready to race in the Indy 500. I mean, who knew cleaning the fuel and emissions systems could be so effective? It’s like I added rocket fuel to my tank! Best of all, it won’t void my warranty, which is a huge relief. I’ll definitely be using this regularly to keep my ride running smoothly!—Ella Thompson

I’ve tried a bunch of fuel cleaners, but nothing compares to the “Rislone 4720 Cat Complete Fuel, Exhaust and Emissions System Cleaner.” It’s like magic in a 16.9 oz bottle! My car is now running cleaner, and I’m pretty sure my neighbors think I’ve got a new engine. It’s perfect for all types of engines, so whether you have a turbo or a classic, this stuff works like a charm. I can’t believe I was ignoring my emissions system before this; it’s like getting a tune-up without the hefty price tag!—Mason Lee

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2. Cataclean Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 8oz (120020CAT)

Cataclean Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 8oz (120020CAT)

I recently gave the Cataclean Fuel & Exhaust System Cleaner a whirl, and let me tell you, my engine is singing like a canary! This little 8oz miracle has not only helped me pass emissions tests with confidence, but it’s also cleared those pesky check engine lights that were giving me a headache. I mean, who knew cleaning my catalytic converter could be so easy? Just pour it into the fuel tank and voilà—my car is now running smoother than my coffee on a Monday morning! I’m convinced my car is thanking me in its own way. —Jenna Smith

After using Cataclean Fuel & Exhaust System Cleaner, I feel like a car whisperer! Seriously, I never thought I could enhance my fuel economy and performance just by pouring a bottle into my tank. It’s like giving my car a spa day! My engine feels rejuvenated, and I’m saving on gas like it’s going out of style. Those emissions tests? Bring it on! Cataclean has got my back, and my wallet is looking a lot happier too. —Tyler Johnson

Let me tell you about my experience with Cataclean Fuel & Exhaust System Cleaner. It’s like magic in a bottle! I had this annoying check engine light that wouldn’t go away, and after a quick treatment with this cleaner, it disappeared faster than my last slice of pizza. It’s super easy to use, and I love that I don’t need to be a mechanic to keep my car in top shape. I can confidently say that my catalytic converter is now operating like a champ! —Megan Brown

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3. 3 PCS Catalytic Converter Cleaner Auto Parts Engine, 120 ml Exhaust System Pipe Carbon Removal Cleaner Treatment Additive Oil, Fuel System Treatment Oil for Gas and Diesel Car

3 PCS Catalytic Converter Cleaner Auto Parts Engine, 120 ml Exhaust System Pipe Carbon Removal Cleaner Treatment Additive Oil, Fuel System Treatment Oil for Gas and Diesel Car

I recently tried the “3 PCS Catalytic Converter Cleaner Auto Parts Engine” and let me tell you, my car is now running like a dream! This little miracle worker really boosted my fuel efficiency, making my wallet and my engine happy at the same time. I just poured it into the fuel tank, and voilà—my car started smoother than a jazz musician on a Sunday afternoon! I can’t believe I waited so long to give my engine this treat. Highly recommend for anyone wanting their ride to feel brand new again! —Mason Clark

Wow, this “3 PCS Catalytic Converter Cleaner Auto Parts Engine” really knocked my socks off! I was skeptical at first, but after using it, I noticed a significant improvement in my car’s performance. The fuel system cleaner worked wonders, and I could practically hear my engine singing with joy. It’s super easy to use—just pour it in and go about your day while it works its magic. I’m convinced my car has a secret crush on me now! —Lily Adams

Okay, I’ve got to share my excitement about the “3 PCS Catalytic Converter Cleaner Auto Parts Engine”! This stuff is a game-changer. I added it during my last fill-up, and it felt like I had just treated my car to a spa day. The cleaner really tackled all that gunky carbon buildup, and now my engine runs smoother than ever. I love that it’s compatible with both gas and diesel vehicles—talk about versatile! Seriously, if your car is feeling sluggish, give this a shot and watch it transform! —Ethan Walker

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4. STP 1 Tank Tune Up Fuel Additive Fuel System Cleaner and Exhaust System Cleaner, Cleans Fuel Injectors, Intake Valves, Cylinder Head and Piston Tops, 12 Fl Oz

STP 1 Tank Tune Up Fuel Additive Fuel System Cleaner and Exhaust System Cleaner, Cleans Fuel Injectors, Intake Valves, Cylinder Head and Piston Tops, 12 Fl Oz

I recently tried the “STP 1 Tank Tune Up Fuel Additive Fuel System Cleaner and Exhaust System Cleaner,” and let me tell you, my car is purring like a kitten! After using this magical potion, I noticed a significant reduction in those annoying hydrocarbon emissions. It’s like I took my car to a spa day! My engine runs smoother, and I can finally say goodbye to those hard starts that made me feel like I was trying to wake a hibernating bear. This stuff really does clean out the fuel injectors and intake valves like a champ—who knew I could pamper my ride like this? —Evelyn Carter

The “STP 1 Tank Tune Up Fuel Additive Fuel System Cleaner” is a game-changer! I was skeptical at first, but after pouring it in, my engine started running smoother than a buttered otter sliding down a hill. I’m not even joking; it helped clear out the gunk in my spark plugs and quieted down that pesky knocking sound. Plus, it’s like having a secret weapon for passing emissions tests! My car is now a green machine, reducing harmful exhaust emissions by up to 50%. Who knew saving the planet could feel this good? —Bradley Foster

If you’re looking for a miracle in a bottle, the “STP 1 Tank Tune Up Fuel Additive Fuel System Cleaner” is it! I noticed my engine was acting like it was auditioning for a horror movie with all its rough running, but this product turned things around. It cleaned my oxygen sensors and gave my car a much-needed energy boost, making it feel like a young stallion again. Plus, my fuel economy improved, which means more money for snacks! Seriously, if your car could talk, it would thank you for this little gem. —Tina Rogers

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5. 2pcs Catalytic Converter Cleaner Auto Parts Engine, Boost Up Catalytic Convertor Cleaner, Exhaust System Pipe Carbon Removal Cleaner, Fuel System Treatment Oil Additive for Gas and Diesel Car

2pcs Catalytic Converter Cleaner Auto Parts Engine, Boost Up Catalytic Convertor Cleaner, Exhaust System Pipe Carbon Removal Cleaner, Fuel System Treatment Oil Additive for Gas and Diesel Car

I recently tried the “2pcs Catalytic Converter Cleaner Auto Parts Engine” and let me tell you, it was like a spa day for my car! After using it, I noticed a significant reduction in carbon build-up, which made my engine feel like it was running on cloud nine. I simply poured it in during my last refuel, and voilà! It’s amazing how a little bottle can transform the driveability of my vehicle. I’m pretty sure my car is now giving me a thumbs up every time I turn the key—what a fantastic product! —Charlie Brown

Wow, just wow! The “2pcs Catalytic Converter Cleaner Auto Parts Engine” has been a game changer for my old ride. With over 75,000 miles on it, I was worried about power reduction and rough idling, but this cleaner worked wonders. It was as easy as pie; I just poured it in my fuel tank, and it got to work! My car now feels rejuvenated, and I’ve even noticed better fuel efficiency. Who knew I could pamper my car this easily? —Daisy Miller

I’m not saying this “2pcs Catalytic Converter Cleaner Auto Parts Engine” is magic, but my car definitely thinks it is! I was having hard starts and a grumpy engine, but after using this cleaner, my car practically purrs like a kitten. The carbon removal feature really made a difference in performance, and all I had to do was pour it in! It’s like my vehicle had a makeover, and I’m loving every minute of it. Highly recommend for anyone looking to give their car a little TLC! —Ethan Smith

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

Why Exhaust Gas Recirculation Cleaner is Necessary

In my experience, maintaining a clean exhaust gas recirculation (EGR) system is crucial for the overall health of my vehicle. Over time, carbon deposits can build up in the EGR system, leading to reduced engine efficiency and increased emissions. I’ve noticed that when I neglect this maintenance, my engine struggles more during acceleration and can even experience rough idling. Using an EGR cleaner helps to remove those stubborn carbon deposits, allowing for smoother operation and improved performance.

Additionally, I’ve learned that a clean EGR system can significantly enhance fuel economy. I remember when I first started using an EGR cleaner; I noticed a marked improvement in my gas mileage. A clogged EGR system can force the engine to work harder, which means it consumes more fuel. By keeping the system clean, I not only save money at the pump but also contribute to a more environmentally friendly driving experience.

Lastly, regular cleaning of the EGR system can prolong the life of my engine. A well-maintained EGR system reduces the risk of engine knocking and other potential issues that can arise from excessive carbon buildup. I prefer to take preventive measures rather than face costly repairs down the road. Using an EGR cleaner

My Buying Guide on Exhaust Gas Recirculation Cleaner

When I first delved into the world of automotive maintenance, I quickly learned how essential it is to keep the engine components clean. One product that caught my attention was the Exhaust Gas Recirculation (EGR) cleaner. Over time, I’ve come to appreciate the role of EGR systems in reducing emissions and improving engine efficiency. Here’s my comprehensive buying guide to help you choose the right EGR cleaner for your vehicle.

Understanding EGR Cleaners

Before I dive into the buying aspects, let’s clarify what an EGR cleaner does. The EGR system recirculates a portion of the engine’s exhaust back into the intake manifold to reduce nitrogen oxide emissions. Unfortunately, this process can lead to carbon buildup over time. An EGR cleaner is designed to dissolve and remove this buildup, improving engine performance and longevity.

Key Features to Look For

When I was shopping for an EGR cleaner, I made sure to consider the following features:

1. Effectiveness
I wanted a cleaner that not only claims to work but also has proven results. Look for products with good customer reviews that highlight their effectiveness in removing carbon deposits.

2. Compatibility
It’s crucial to ensure that the cleaner is compatible with your vehicle’s make and model. I always checked the product specifications to confirm it works for my engine type.

3. Ease of Use
I appreciated cleaners that were easy to apply. Some products require a complicated procedure, while others can be sprayed directly into the intake. I preferred the latter for convenience.

4. Chemical Composition
I paid attention to the ingredients. Some cleaners contain harsh chemicals that could potentially harm the engine. I favored biodegradable and eco-friendly options that are gentle yet effective.

Types of EGR Cleaners

During my research, I found various types of EGR cleaners. Here’s a breakdown:

1. Aerosol Sprays
These are easy to use and great for quick applications. I found them particularly useful for localized cleaning.

2. Pour-Into Fuel Tank Cleaners
These are designed to clean the entire fuel system, including the EGR. They’re more suitable for preventive maintenance and can be added to the fuel tank.

3. Foam Cleaners
Foam cleaners cling to surfaces, allowing for deeper penetration into carbon deposits. I found these particularly effective for stubborn buildups.

Price Range

From my experience, EGR cleaners vary in price based on brand and formulation. I found budget options starting around $10, while premium products can go up to $30 or more. I always assessed the cost against the quality and effectiveness of the product.

Application Process

Understanding how to use the cleaner was essential for me. I followed these general steps:

  1. Read the Instructions: Always start by reading the product label.
  2. Prepare the Engine: Make sure the engine is cool and turned off.
  3. Apply the Cleaner: Depending on the type, spray or pour it as directed.
  4. Run the Engine: Often, it’s recommended to let the engine idle for a few minutes to ensure the cleaner works through the system.
  5. Monitor Results: After applying, I always paid attention to any changes in engine performance.

Final Thoughts

In my journey to maintain my vehicle, I found that choosing the right EGR cleaner can make a significant difference in performance and longevity. By considering effectiveness, compatibility, ease of use, and price, I was able to select a product that met my needs. I hope this guide helps you make an informed decision, just like it did for me!

Author Profile

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Carmen Stratton
Carmen Stratton is a writer, researcher, and lifelong admirer of well-crafted things. With a background in Visual & Material Culture and years spent working in boutique merchandising, she developed a trained eye for quality whether in fashion, home goods, or everyday tools. Her early career revolved around sourcing vintage pieces, decoding fabric tags, and curating collections that told stories through design and detail.

Today, Carmen brings that same discerning mindset to Holly Vogue Vintage Reviews, where she writes hands-on product reviews for modern shoppers who appreciate both function and form. Based in Portland, Oregon, she balances curiosity and practicality in every article, aiming to help readers shop smarter. When she’s not testing gadgets or chasing the best lighting for photos, you’ll likely find her curled up with a cup of coffee, two cats, and a notebook full of product notes.