Is Cleaning the Catalytic Converter Effective?

1 Answers
MilesDella
07/30/25 4:08am
Cleaning the catalytic converter is effective. The catalytic converter is an emission control device in the engine, and its proper functioning determines the engine's fuel consumption, power, emissions, and other working conditions. If it becomes clogged or malfunctions, the exhaust emissions will exceed the standard, and the vehicle will fail the annual inspection. Additionally, it can affect the engine's performance, often manifesting as increased fuel consumption, reduced acceleration, abnormal exhaust noise, and unpleasant exhaust odors. Cleaning intervals for the catalytic converter: 1. Typically, the catalytic converter should be cleaned every 30,000 kilometers; 2. If you notice increased fuel consumption or reduced power, inspect and clean the catalytic converter as needed; 3. Whenever the fuel injectors, throttle body, or intake system are cleaned, the catalytic converter can also be cleaned; 4. Before the annual vehicle inspection, it is advisable to clean the catalytic converter to ensure passing the emissions test.
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