LIQUI MOLY Catalytic-System Cleaner – 300ml (SKU: 8931)

Keep your engine and catalytic converter in peak condition with LIQUI MOLY Catalytic-System Cleaner. This advanced formula is designed to remove soot deposits, clean the intake system, and protect the combustion chamber for long-lasting performance and efficiency.

By improving fuel combustion, it helps reduce fuel consumption, lower CO₂ emissions, and prevent fuel system corrosion—ensuring your catalytic converter stays protected from clogging and costly damage.

✅ Key Benefits

• Protects catalytic converters from soot, deposits, and clogging

• Cleans intake system, intake valves, and combustion chamber

• Optimizes fuel combustion for improved engine performance

• Reduces fuel consumption and harmful emissions

• Prevents corrosion within the fuel system

• Long-lasting engine protection and efficiency

🔧 Suitable For

• All gasoline (petrol) engines equipped with a catalytic converter

📌 How to Use

1. Pour the cleaner into a LIQUI MOLY Pump-Spray Bottle (Part No. 3316).

2. Pressurize the bottle by pumping.

3. Access the intake tract (ideally behind the turbocharger and directly behind the air-flow sensor).

4. Start the engine and spray the cleaner in short intervals at 2,000–3,000 rpm.

5. If rpm is stable, increase spray duration; if rpm fluctuates (>700 rpm), shorten spray intervals.

6. Ensure fine atomization and proper pressure in the spray bottle.

⚠️ Important Notice: Warranty is not provided if the cleaner is applied with dosing systems other than those specified. Always confirm suitability before use.

👉 Pro Tip: For complete cleaning of the engine and exhaust system, follow up with LIQUI MOLY Catalytic-System Clean (Part No. 7110) directly in the fuel tank.