How to Properly Clean a Three-Way Catalytic Converter?
2 Answers
Correct method for cleaning a three-way catalytic converter: 1. Place the removed three-way catalytic converter upright in a plastic bucket; 2. Shake the catalytic converter cleaner well, pour it into the container of a high-pressure spray gun, tighten it, connect the air hose, and evenly spray it onto the inner grid of the catalytic converter; 3. The catalytic converter can be turned around repeatedly for cleaning. It is recommended to spray for 6 seconds and then pause for 3 minutes, allowing the cleaning solution to penetrate evenly into the deep layers of carbon deposits, quickly forming bubbles, dissolving the carbon deposits, and turning them into slurry that flows out. A three-way catalytic converter is a device that converts harmful gases such as CO, HC, and NOx emitted from vehicle exhaust into harmless carbon dioxide, water, and nitrogen through oxidation and reduction reactions.
I've cleaned the three-way catalytic converter at home a few times, and it works quite well. The key is choosing the right method, otherwise it's a waste of effort. I usually use those cleaning agents bought directly from auto parts stores and add them to the fuel tank. Then I drive on the highway at high RPM for about 20-30 minutes to fully heat up the engine and burn off the carbon deposits and blockages in the converter. If the car noticeably lacks power during acceleration and makes wheezing sounds, it's time for cleaning. After cleaning, emissions become cleaner, and the car runs smoother. But avoid using random low-quality products as they can damage the vehicle. Regular maintenance and reducing slow city driving can help prevent clogging. Remember to check the exhaust pipe after cleaning—no strange odor means it's okay. This job is simple and saves a lot compared to sending it for repairs.
