Automotive Technician. 00 with Motoring Club premium. Open the gas cap, use a funnel, and pour in based on the ideal ratio of 1 ounce of Seafoam for every gallon of gasoline. Testing at an independent emissions testing facility showed using. Joined Jun 4, 2017The catalytic converter is the most expensive part of a car's exhaust system. I would use 2 bottles to just be extra sure that they are all clean! Quote. Pour the entire bottle of Cataclean into the engine oil. Dump all the bottle’s contents into your fuel tank. Excess carbon build-up robs your vehicle of horsepower, wastes fuel and increases emissions output. If you prefer, you can run the engine at about 2500 RPMs for about 30 minutes to allow the cleaner to run through the converter. Additive and cleaning products such as Cataclean claim to clean a vehicle's catalytic converter, oxygen sensors, fuel injectors, and cylinder heads. Safe and effective for all petrol (gasoline), diesel and hybrid vehicles. This includes the engine, spark plugs, and the catalytic converter, among other parts. To get the best results from using a Cataclean catalytic converter. Cataclean will also reduce the particulates in a DPF, preventing clogging. It cleans the whole exhaust system, including the. But it is not appropriate to use for cars with 2-stroke engines. 3. As directed by the mfr, I drove for about 4 weeks refilling with gas only and even tried premium on one fillup to help assist the cleaning process, but with zero results. The combustion improver works directly, which leads to an immediate, measurable reduction of the pollutants. Cataclean is easy to use-simply pour in your fuel tank. Keeping the catalytic converter and exhaust system clean is important for reducing emissions and ensuring compliance with emission standards. I bought a 2004 GMC Yukon Denali with 2 codes. Lots of fake reviews out there. Instructions: Add Catalytic converter bottle to the fuel tank. Catalytic converter cleaner. Cataclean instructions. Thanks for watching . Be sure to follow the directions on the bottle carefully. Use before replacing your catalytic converter. Yes, you can use Cataclean with half a tank of gas. Or pour directly in to the container you store your fuel in (ensuring this is always full and ready for use) 5. Catalytic converter cleaner; Fuel in tank; Step 1. Make sure that the converter’s honeycomb is free of debris. Liqui Moly Catalytic System Cleaner protects the catalytic converter from clogging with soot. I thought the grilles in the cat had some deposits from having burned rich for a few weeks. O2 sensor failed. Tutorials; Berichte; About me; Contacts. This Week Trend. Get a Tune-Up. Royal Purple 11722 Max-Clean Fuel System Cleaner. It’s claimed to remove carbon build up from oxygen sensors and EGR valves, as well as dissolving resin and gum through the fuel lines and in the catalytic converter. The main benefit of using Cataclean is that it cleans the catalytic converter. or 473 ml bottle. Although it is not cheap, the cleaner has a good reputation of clearing various catalytic converter codes from your ECU and is easy to use. Fortunately, a product like the Rislone Cat Complete Fuel, Exhaust and Emissions System Cleaner 16. This can be especially true if your catalytic converter is clogged. Fuel Tank. Not only is this cleaner safe for gasoline engines, but it can also be used in hybrid, diesel and even flex-fuel vehicles. JLM Diesel Catalytic Converter Cleaner. . What are the Benefits of Using Cataclean. Making use of Cataclean is easy, so anyone can do it. Less than $30 I think. It filters dangerous chemicals and gases produced by your car. 2. the fumes are supposed to clean out the honeycomb thing that is inside of the catalytic converter, BUT it didn't necessarily work for me. In several cases, it also makes your car’s sound variable. If you have a clogged catalytic converter, specifically from carbon, then replacing the catalytic converter is the best option. Rislone is so confident in the effectiveness. So, if you have half a tank left, you'll need two bottles. Cataclean 120007 Cleaner is a fuel and exhaust system cleaner that can be used to clean the catalytic converter. Fuel System Cleaner; 16 Ounce; Cataclean is a patented EPA approved complete engine, fuel and exhaust system cleaner that reduces carbon build-up and also cleans your vehicle's oxygen sensors, fuel injectors and cylinder heads. Likes: 155. Gasket Cataclean Fuel System Cleaner - 120017. How to Use Cataclean Catalytic Converter Cleaner. Recommend Usage: Use at least once every 3 months for optimal performance. Here's how at CORRECTLY use thereto (and other like cleaners). Cataclean Liquid Science is developed for gasoline engines to clean the catalytic converter. Results vary on driving amounts and engine conditions. Fuel Tank. Protects the catalytic converter from clogging with soot. So, the first thing you can try is applying cleaning agents like Cataclean to remove the dirt and unclog the converter. My 2003 Toyota Corolla has 153,000 miles on it, and the check engine light just went on. Products containing Cataclean are very. Item Package Weight: 0. Cataclean is one of the special cleaning agents for catalytic converters. At least four. And might as well just replace it at that point. A well-running engine helps to restore and maintain catalytic converter efficiency. This explains why so many people buy and employ this product. Use it to clean and deodorize the catalytic converter on your vehicle. To clean the converter without removing it, you need a catalytic cleaner. Penrite Pro EGR & Catalytic Converter Cleaner. Cat converters can fail in several ways: Poisoning by ingesting coolant or silicone, oil and soot coating, overheating, and impact damage. VEHICLE & FUEL TYPES EGR & CAT CLEAN+ is suitable for use in passenger cars and light commercial vehicles and can be used withCleaning your car’s cylinder heads, oxygen sensors, fuel injectors, and catalytic converter, Mr. However, it is not for use in 2-stroke or oil/gas mix engines. Be sure to follow the directions on the bottle carefully. Some cleaners work with only one type of combustion engine. The easiest way to clean a catalytic converter without removing it is by using a catalytic converter cleaner. Cleaners only seal with oil and soot coatings. Because they include additives that will clean carbon deposits from your engine’s fuel and exhaust systems, using one of these products is likely to result in improved symptoms, especially because they are safe for the environment. The result is a cleaner, more efficient exhaust system and reduced carbon dioxide (CO2), hydrocarbon and nitrogen oxide. To be a part of our family. Additionally, Cataclean can clog the fuel injectors, which can cause your car to run leaner and produce less power. GRF150. As a top-rated catalytic converter cleaner, Thenxin gets high marks all around. What are the benefits of using a Cataclean Catalytic Converter Cleaner? Here are some benefits of using Cataclean Catalytic Converter Cleaner. One of the more expensive catalytic converter cleaners. These contaminants commonly. Search for: Search for: Tutorials; Reviews; About me; Contacts. Especially not driving it hard on the highway. Adding anything but fuel and catalytic converter cleaner could destroy your engine. $1089 ($10. Step 1. They basically overheat the converter to burn off any soot. This product helps reduce carbon build-up in the catalytic converter, improving engine performance and. As a result, they risk damaging the vehicle’s engine. PRODUCT DESCRIPTION. It also removes hazardous deposits and residues. By following the recommended solutions. Best Catalytic Converter Cleaner: Best Catalytic Converter Cleaner In 2023 1. Catalytic-system. $1398 ($13. They cannot unclog a cat because the clogs are caused by melted ceramic. Cataclean can improve fuel economy, reduce emissions, restore performance and extend the life. If you are looking for a quality catalytic converter cleaner, the Cataclean 120007 is an excellent option. Regular use will aid in reducing the carbon footprint of your vehicle and improving overall performance as well as reducing repair time and costs. 5 bottles. Chevron Techron Complete Fuel System Cleaner. The catalytic converter gets clogged up by unburnt fuel going into the exhaust system, or oil or antifreeze making their way into the exhaust system and creating a thick carbon and soot which easily. The steps for cleaning a catalytic converter with lacquer thinner include: Drain your car’s gas tank to nearly empty. That means that Cataclean mixes with fuel to clean the various internal parts of your car that fuel comes into contact with. Gasket Cataclean Fuel Additive - 120019. Once clogged, the chemical makeup of the converter is what deteriorates, not the airflow. 3. Colour: Light yellow. If your catalytic converter is severely clogged, then this is probably not the best product for you. 6cm L x 5. Undo your fuel filler cap. Safe for Hybrid & Flex-Fuel. If you have a clogged catalytic converter, specifically from carbon, then replacing the catalytic converter is the best option. Metal, varnish, or plastic are all dissolved by their other chemical solvents. 9oz can help switch that light off and clean out the soot, carbon build-up, and residue in your fuel system. 6 Ounces: Check On Amazon: DURA LUBE Catalytic Converter Cleaner: 1: 16 Ounces: Check On Amazon:. The dealer said I need a new catalytic converter, but that. I suppose if the car had been driven really hot for a while, the deposits would eventually burn off. Cataclean. A spoiled catalytic converter replacement cost $800-$3000. The catalytic converter cleaner will enable your car to have a smooth run and easily avoid any issues with emissions. From protecting and maintaining the catalytic converter to de-clogging diesel particulate filters, Cataclean should be used every three months to help protect and clean your engine. However, using a catalytic converter cleaner may be just what you need to return to full power without picking up the wrench. Removes Sediments and Impurities: Yes. Wear your safety glasses and gloves and place rags around the rim of your fuel tank to catch any spillage. How to Clean David Yurman Jewelry? 16 Min Read. It is designed not only to remove soot from the catalyst but also to prevent its reoccurrence. You’ll want to drive about 150 miles at high speeds. 6. SERVICE MAINTENANCE - FOR PROFESSIONAL USE ONLY For more intense cleaning of the lambda sensor, exhaust gas recirculation valve, catalytic converter or particulate filter; connect a flexible tube (e. The most common use of Cataclean is in the catalytic converter. Part #: 120017 Line: MRG. After cleaning the throttle body, changing the spark plugs & airfilter as well, the previous owner wants the car back because this. Improve Fuel Efficiency: Yes. No cleaner can unmelt the ceramic honeycomb. There are several converter cleaners on the market, some of which can cost $29+. The complete contents of the bottle are in the vehicle’s fuel tank. Cataclean is an engine and fuel system detoxification technology that prevents fouling of your catalytic converter, removes. I want to share some information about what's happening here with emissions testing and some ways to get emissions-compliant without shelling out piles of money. Might be worth the $25. Cataclean has a bad impact on the performance of some engine parts. Last update on 2021-09-10 / Affiliate links / Images from Amazon Product Advertising API. Cataclean Engine & Catalyst Cleaner. OP. The cataclean’s chemical components will clean efficiently harmful particles and elements. Safe for gasoline, E10, E15, and E85 fuels. Cataclean Catalytic Converter Cleaner; The cetacean catalytic converter cleaner can achieve up to 50% emission reduction for hydrocarbon gasses. Gasket Cataclean 16 Ounce Diesel Fuel Additive - 120007DE. Today we put cataclean catalytic converter cleaner to the test! We have a bmw car in the shop that has an engine light that needs fixed p420 p430 p431. Pour the cleaner into the gas tank. Keep the gas tank in an almost empty condition. Not useful on a 2-stroke engine. Making use of Cataclean is easy, so anyone can do it. Does Cataclean really fix a P0420 / P0430 error code and catalytic converter. Part #: 120019 Line: MRG. The dura lube catalytic converter cleaner helps greatly in reducing phosphorus & zinc retention levels at the catalyst inlet and saves it from oil poisoning. The oxygen sensor, which measures the amount of oxygen in the exhaust gas, can be damaged as a result. It works, its safe. Compare. Search for: Search for: Tutorials; Zeitschriften; About me; Contacts. Use a catalytic converter cleaner. A well-running engine helps to restore and maintain catalytic converter efficiency. Chosen Solution. eljefino said: IIRC scotty kilmer took his off and washed it with tide laundry detergent. Finally, Cataclean can increase engine wear and tear by increasing friction between engine parts. That kind of contamination can result from a badly functioning engine and won’t necessarily be removed even if the other issues with the engine are resolved. Take the cat off and let is soak overnight in laundry soap and water. So you must aware the cleaner you are using. The best method is using water and lacquer thinner. Clean the catalytic converter without removing it. . If you have to replace your catalytic converter, use Cataclean with the installation to extend its life. Reduced Carbon Built Up. . Use the best catalytic converter cleaner to ensure your car’s engine runs well. Here are the steps you need to follow to clean the component using this method. Keeping the catalytic converter and exhaust system clean is important for reducing emissions and ensuring compliance with emission standards. The Cataclean Catalytic Converter Cleaner Is a Revolutionary Product That Cleans the Internal Components of the Catalytic Convertor. Take the cat off and let is soak in a strong lye (NaOH) solution overnight, then rinse well and put it back on the car and drive it until the cat is hot. Using Cataclean cleaner. On the similar time, if you use it repeatedly, it would assist in the elimination of adverse deposits. It accomplishes this by getting rid of the deposits on things like fuel injectors, cylinder heads, oxygen sensors, and catalytic converters. . If you don’t use Cataclean properly, your car might have issues with the catalytic converter. And the last step once, reinstall everything and take your car for a test drive. Reduces zinc and phosphorus catalyst contamination, restoring catalytic converter function. After running it through the system, this cleaner is effective at cleaning the pistons, valves, fuel injectors, as well as. . I decided to try and clean the catalyti. Use four times a year to help maintain proper engine operation. oz. . It will also clean the exhaust gas recirculation valve, catalytic converter and particulate filter. After that, you can now drive your car for about 15 minutes. Locate the catalytic converter. # 4. 3. Pour Cataclean into fuel tank before filling up with petrol or diesel. The problems after using Cataclean may include wearing out of the engine, issues with the catalytic converter, issues with the exhaust system, damage to the oxygen sensor, clogging of fuel injection, smoking, and potential car damage. Cataclean is a patented fuel and exhaust system cleaner that reduces carbon build-up and also cleans your vehicle's oxygen sensors, fuel injectors and cylind. Like the surface area of a football field in a few grams of material. Impacts and Benefits of Cataclean: A Closer Look. . Step 1. Buy Solder-It Catalytic Converter Cleaner Deodorizer Fuel Additive 16 Oz Can - (Pack of 12): Catalytic Converters. But that seems a bit excessive. 0. Another remarkable problem is the poor automotive efficiency. I have a 2009 Hyundai Sonata GLS V6 now with 98K miles. . Editor's Pick: DuraLube Severe Catalytic and Exhaust Treatment 2: Most Heavy-Duty: Liqui Moly Catalytic System Clean 3. Utilize a drip basin or a bucket to perform the cleaning. Allow the catalytic converter to drain and dry completely. A vehicle’s catalytic converter can accumulate emissions. Chevron Techron Concentrate Plus Fuel System. The Cataclean catalytic converter cleaner review confirms overall efficiency comes with an incredible enhancement for vehicular performance. With the correct level of heat, the hydrocarbons, carbon monoxide, and nitrous oxides pass over and through the substrate, react with the precious metals, and are converted into less harmful. No, Seafoam can not clean a catalytic converter. If it's actually clogged then no. Gasket Cataclean is a fuel and exhaust system cleaner that reduces carbon build-up and cleans the vehicle's catalytic converter, oxygen sensors, fuel injectors and cylinder heads. Gasket. The CEL went off in 2 days and stayed off. It swells seals and keeps on swelling. Pep Boys knows that your car is the second biggest investment you'll make. I will update more when I have more information. If you don’t use Cataclean properly, your car might have issues with the catalytic converter. Cataclean Diesel 500ml 575818 4. Gasket is the best of the best. Clean any relevant diagnostic trouble codes using the help of an OBD-II scanning tool. Learn how Cataclean products can help your vehicle with both a reduction in carbon build up, and reduction in overall emissionsCataclean is a one-stop, pour-in treatment: add the contents of the pre-measured bottle to a quarter-tank of fuel (around 15 liters/4 gallons), drive for at least 15. Solder-It Catalytic Converter Cleaner and Deodorizer (16 fl oz) | Fuel System Cleaner | EGR Valve, Combustion Chamber, and Oxygen Sensor Cleaner | Catalytic Cleaner Fuel Additive for. Increases power, performance, mileage and saves gas by not only cleaning the entire emissions & exhaust system, but the fuel system as well. Catalytic converter clogged and problem code P0420. Although it is not cheap, the cleaner has a good reputation of clearing various catalytic converter codes from your ECU and is easy to use. In. . A well-running engine helps to restore and maintain catalytic converter efficiency. 🚗Engine Catalytic Converter Cleaner 🚗 Cut down the maintenance cost of your car. per gal. This is one of the best products you can get for reducing your emissions output. Immerse the cat in degreaser and hot water. Remove it and rinse it once the hour and a half is up. You can use two bottles of Cataclean for the same effect. It’s a complete waste of time and money to. Once dry, reinstall the catalytic converter to see if its effectiveness has improved. The main constituents of the Cataclean formulation are; Acetone, isopropanol, xylene and long-chain hydrocarbons, namely paraffin and has two functions; 1. Also doesn't hurt to use on any older car just to clean out the engine & emissions system. Chevron’s product is one of the least expensive out there. (30 mL per 3. Cataclean does not alter fuel composition and is safe for gasoline, diesel and hybrid engines. You shouldn’t use a Cataclean catalytic converter cleaner with a full tank of petrol for the greatest results. How to fix and repa. BlueCorn. The easiest way to clean a catalytic converter without removing it is by using a catalytic converter cleaner product. The catalytic converter has two functions. Puncture Repair Wheel alignment Free Tyre Check Puncture Repair Clutch Repair Wheel. Cataclean Exhaust Fitting Back Tyres Services. Check it out here! As far as we know, Cataclean is the only patented catalytic converter cleaner on the market. Step 2- Reach to expected gas level for the amount of cleaner. Allow the converter to dry completely before. Cataclean 120007 - Best Overall. Cataclean is easy to use-simply pour in your fuel tank. 1. Cataclean is safe for use in gasoline, diesel, and hybrid engines and does not change the makeup of the fuel. 0cm H. The Cataclean converter cleaner works by mixing gasoline in the fuel tank to generate a mixture that can be cleaned when you start your engine and drive for a long time until you see the differences. After running it through the system, this cleaner is effective at cleaning the pistons, valves, fuel injectors, as well as. If the clean-up was successful, you should feel some difference in how the car. Application Consumption: 250 ml mix with 7 to 12 gallons of gasoline. One of the more expensive catalytic converter cleaners. This is my second time purchasing Cataclean. It’s crucial to be aware of these issues and take appropriate steps to resolve them if they occur. This product is an all-in-one cleaner for the engine, fuel, and entire exhaust system. If your catalytic converter is clogged up and the scan tool is showing a P0420 code, a catalytic converter cleaner will fix the problem. 3. Cataclean Petrol is a liquid fuel system cleaner and treatment that can help address issues related to the fuel system, catalytic converter, valves, and injectors in petrol-powered vehicles. We recommend the OXICAT – Oxygen Sensor & Catalytic Converter Cleaner. Detailed Description. Use four times a year to help maintain proper engine operation. The Cataclean 120007 is an excellent option if you are looking for the best catalytic converter cleaner. #3. Cleaning your car’s cylinder heads, oxygen sensors, fuel injectors, and catalytic converter, Mr. Thi. . Use Cataclean to fix drivability issues such as power reduction, hesitation and hard starts, as a pre-treatment before an emission test or to extend the life of your vehicle. Finally, turn off the engine and let the car sit for 30 minutes. The Cataclean Catalytic Converter Cleaner is excellent for the money! You can get one here at a discounted price: Mr. Problems with Your Catalytic Converter. The catalytic converter, a critical emission-control component, is kept clean and efficient with the help of Cataclean Petrol. Ans: A catalytic converter cleaner works with a mixture of gasoline to effectively clean the internal parts of the engine as well as the converter. Everytime you use a Cataclean, the catalytic converter cleansing is superb at breaking down carbon deposits. Guide To Use Cataclean Catalytic Converter Cleaner. ️ In This video, We recommended the top 5 best Catalytic Converter Cleaners in 2020. The theory is you get soot on top of the precious metals. It’s usually located under the car, close to. CAT COMPLETE Fuel, Exhaust & Emissions System Cleaner has high-performing detergents and heavy duty cleaning solvents that effectively scrub and remove contaminants, soot, carbon build-up, and oily residue from the fuel injectors, combustion chambers, turbo,. Step 1: Mix the seafoam in the right amount. What a. Step 1- Read the instruction. Using the IR thermometer, check the pipe temperature at the inlet and outlet of the cat. Dura Lube Severe Catalytic & Exhaust Treatment is formulated to protect and treat the Catalytic Converter & Exhaust System from oil poisons and restore catalytic and fuel system combustion efficiency. So, you should use it when you’ll notice problems related to the exhaust system and carbon emission. ️ ️Want to clean your catalyst without removing it? Is it Smog TEST or Emission test time already? Is your Catalytic Inspection Monitor or know as CAT monit. . Remove the seal on the. You may also use it before replacing your vehicle’s catalytic converter. Cataclean is an exhaust system and fuel cleaner that helps to reduce the building-up of carbon toxins in the catalytic converter. Conclusion. Cataclean Complete Engine, Fuel, and Exhaust System is the top pick on our list of best catalytic converter cleaners. Use four times a year to help. The manufacturer’s instructions recommend using Cataclean once every 3 months to maintain engine performance and improve fuel efficiency. Sea Foam cleans the fuel injectors, carburetor passageways, and other components of your engine system. The first time I ever heard about one of these products was “Cataclean” which claims to be the original catalytic converter cleaner. Cataclean Fuel and Exhaust System Cleaner. Simply add it to your fuel tank every 3,000 miles or as needed, and it will help keep your catalytic converter clean and your car running smoothly. Catalytic converter is failing or clogged. Lower Hydrocarbon Emissions: Yes. Turn the engine on and start driving the vehicle at normal speed for 15 to 20 minutes. As we indicated at the beginning of this article. Soak the catalytic converter, which is now dismantled, in the bucket overnight. Deep the converter into the degreaser and hot water mix for not less than 30min or maybe an hour. Best of the lot, this Cataclean is one of the best. Cataclean continues to be the most popular option among drivers. How to fix and repa. The catalytic converter as there are two on this vehicle, one on the exhaust manifold, followed by a y pipe that has an Oxygen sensor and then the second catalytic converter which had a. Cataclean will remove the harmful carbon build-up in the valves, injectors, oxygen sensors, EGR valve and catalytic convertor. 99 delivery Nov 15 - 28. But how do we use Cataclean to clean the engine’s fuel system and catalytic converter?To clean a catalytic converter with seamfoam, you have to first make sure the engine is off, and the vehicle is parked in a well-ventilated area. A 12-year independent testing has proven that this fuel cleaner is quite popular and is one of the best auto products available for fuel system issues. Cataclean does not alter fuel composition and is safe for gasoline, diesel. But you can accomplish the same thing by disconnecting a spark plug and running it at 2,000 rpm for a few minutes once the engine has reached operating temp. In this product review, Andy Phillips puts Cataclean catalytic converter cleaner to the ultimate test. To use Cataclean, you pour it into your car’s fuel tank so it mixes with fuel. Reading Time: 2 minutes As a follow up to our Cataclean Review we thought we’d look at things from a fuel injector cleaner perspective. Cataclean brings you an exhaust cleaner that decreases the emission level up to 50-percent! Not only that, it cleans the carbon layer that clogs up your catalytic converter and prevents them from building up in the future. Open up your fuel tank and place a funnel inside. How does it help a catalytic converter do its job? Using Cataclean is so easy, and anyone can do it. 2. Step 3: Pour Seafoam into your Gas Tank. Editor’s Pick: Cataclean Complete Engine, Fuel and Exhaust System Cleaner. Next, put all of the bottle’s contents into your fuel tank. REDUCTION. Just make sure to read the label so as to not use. Nothing in a bottle is going to fix anything, it is just a way to get your money. Gasket is the best of the best. Of course, it encourages numerous drivability issues to restore the long-lost power along with its poor fuel system. Just make sure your catalytic converter needs cleaning and is not damaged before you buy the product. Cataclean Catalytic Converter Cleaner prevents clogging of the catalytic converter . Catalytic Converters (CAT) Diesel Particulate Filters (DPF) Exhaust Gas Recirculation Valves (EGR) Oxygen Sensors. See what happens when he uses this on a vehicle with a. Do the cleaning over a drip basin or bucket. Prevents corrosion in the fuel system. This product is safe for gasoline, diesel, hybrid, and flex-fuel vehicles as it does not alter fuel. Cataclean catalytic converter cleaner Cataclean — does it work? Four things can cause a catalytic converter to set a P0420 or P0430 trouble code: oil or carbon coating on the surface of the honeycomb, melted substrate caused by overheating, a poisoned substrate, and impact damage. After 15 minutes, you need to speed up the vehicle and drive for another few minutes. Cataclean can improve fuel economy, reduce emissions, restore performance and extend the life of engine/exhaust parts. Smoke and improper engine running. Before using Cataclean Catalytic Converter Cleaner, shut off the car’s engines. 50+ bought in past month. jtsanders May 15, 2011, 4:07pm 15. Pour in the whole bottle. We will take a look at some of the best catalytic converter cleaning treatments out there. 96 likes. Check your extended cat warranty BTW, could be up to 120-150k miles. Just. Did NOT help on high mileage Camry that uses a lot of oil. . Pouring lacquer thinner in a gas tank can clean any stubborn residues in the catalytic converter and the exhaust system. How to Use Cataclean (or Other Catalytic Converter Cleaner) | Dura Lube Severe Catalytic & Exhaust Treatment -16 oz . Expensive in comparison to other fuel additives.