How Do You Clean a Toyota Hilux Catalytic Converter to Restore Performance?

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How Do You Clean a Toyota Hilux Catalytic Converter to Restore Performance?

Some drivers use fuel additives, while others remove and clean the converter manually. Have you successfully cleaned your catalytic converter, and what method worked best?

Lubaba asked on 11 Feb 2025 16:27:40 pm

1 Answer

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Car Mechanic Expert - on 11 Feb 2025 16:31:12 pm

🚿 Cleaning Methods for a Catalytic Converter:

🛠️ Method 1: Use a Fuel Additive Cleaner
✅ Add a catalytic converter cleaner like Cataclean, Liqui Moly, o r CRC to the fuel tank.
✅ Drive at highway speeds for 20-30 minutes to burn off carbon deposits.

🛠️ Method 2: Manual Cleaning For Heavily Clogged CATs
✅ Remove the catalytic converter and soak it in hot water with detergent.
✅ Use a high-pressure air compressor to remove debris.
✅ Let it dry before reinstalling.

📌 Warning: Cleaning wont work for broken o r melted converters—replacement is required.