How Often Should a Car's Three-Way Catalytic Converter Be Cleaned?

[EmilianoDella]

How often a car's three-way catalytic converter should be cleaned depends on the situation: 1. Generally, the three-way catalytic converter should be cleaned every 30,000 kilometers driven; 2. When you notice increased fuel consumption or reduced power, the three-way catalytic converter should be inspected and cleaned as needed; 3. Whenever the fuel injectors, throttle valve, and intake tract are cleaned and maintained, it's best to clean the three-way catalytic converter as well; 4. Before the annual vehicle inspection, it's advisable to clean the three-way catalytic converter to ensure passing the emissions test smoothly. Relevant information about the three-way catalytic converter is as follows: 1. The three-way catalytic converter is prone to clogging due to its honeycomb structure. 2. Due to poor fuel quality in China, the use of manganese-containing anti-knock agents in fuel, sulfur- and phosphorus-containing antioxidants in lubricants, and traffic congestion, the three-way catalytic converter is highly susceptible to poisoning, failure, and clogging issues.