RayHong Catalytic Converter Cleaner – Boost Engine & Remove Carbon

Restore Engine Power & Eliminate That Rotten Egg Smell

Is your fuel economy dropping? Noticing a sulfur or rotten egg smell from your exhaust? Your catalytic converter may be clogged with carbon buildup. The RayHong Catalytic Converter Cleaner is a powerful 120ml fuel-additive solution that deep-cleans your catalytic converter and engine system — without removing any parts. Made in Mainland China.

This easy-to-use fuel treatment helps eliminate carbon deposits, restore engine efficiency, silence check-engine lights, and save you money on costly repairs and fuel bills. Compatible with both gasoline and diesel engines.

Key Benefits

• 🔧 Deep Carbon Removal: Dissolves stubborn carbon buildup inside the catalytic converter and fuel system
• 💡 Stops Check Engine Light: Helps clear warning lights caused by a dirty or underperforming converter
• ⛽ Improved Fuel Economy: A cleaner engine runs more efficiently, helping you save at the pump
• 🚗 Engine Performance Boost: Restores lost acceleration and overall engine responsiveness
• 💰 Saves Money: Avoid expensive catalytic converter replacements or mechanic visits
• 🛡️ No Disassembly Required: Simply pour into the fuel tank — no tools, no garage time
• 📅 3-Year Shelf Life: Long-lasting formula stays potent in storage

Product Specifications

How to Use

1. Screw off the cap and tear off the inner seal.
2. Wait until your fuel tank is down to approximately 1/4 remaining.
3. Pour the entire 120ml bottle directly into the fuel tank.
4. Drive approximately 30–50 km (18–30 miles) to allow the cleaner to circulate through the system.
5. Fill the tank with fresh fuel as normal.

Tip: For best results, use regularly as part of your vehicle maintenance routine.

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Authoritative Resource

For information on vehicle emissions standards and how catalytic converters help reduce harmful exhaust pollutants, visit the U.S. Environmental Protection Agency – Green Vehicle Guide.

Frequently Asked Questions

Q: What does a catalytic converter cleaner do for my car?

A: A catalytic converter cleaner is a fuel additive that breaks down and removes carbon deposits and other buildup from inside your catalytic converter and fuel system. This helps restore proper exhaust flow, improve engine efficiency, potentially eliminate the "rotten egg" smell, and may help clear check-engine warning lights caused by converter inefficiency.

Q: How often should I use RayHong Catalytic Converter Cleaner?

A: For regular maintenance, it is recommended to use the cleaner every 3,000–5,000 miles or whenever you notice a drop in fuel economy, unusual exhaust smells, or reduced engine performance. Using it periodically helps prevent carbon buildup before it becomes a serious problem.

Q: Is this catalytic converter cleaner safe for all vehicle types?

A: The RayHong Catalytic Converter Cleaner is designed for use in both gasoline and diesel engines. Always check your vehicle owner's manual if you have concerns about fuel additives, and avoid use in hybrid or electric vehicles that do not have a traditional combustion fuel system.

Q: Will this product definitely turn off my check engine light?

A: If the check engine light is triggered by a dirty or underperforming catalytic converter, this cleaner may help resolve the underlying issue, allowing the light to reset after a few drive cycles. However, if the light is caused by a mechanical failure or another sensor issue, professional diagnosis is recommended.