Is Washing the Catalytic Converter Effective?

1 Answers
McCamilla
07/29/25 8:06pm
Washing the catalytic converter is effective. Here are the relevant details: 1. Advantages: Washing the catalytic converter is the most efficient and thorough cleaning method. 2. Disadvantages: Since it requires complete removal of the catalytic converter, which is time-consuming and labor-intensive, many 4S shops and repair shops do not offer washing (removal cleaning) services. 3. Other cleaning methods (1) Additive cleaning: Additive cleaning is similar to using fuel additives, where the cleaning agent is directly added to the fuel tank. (2) Drip cleaning: This method involves connecting a hose to the engine vacuum tube, using the negative pressure in the tube to draw the cleaning agent from the drip bottle into the engine, and cleaning the catalytic converter as it passes through the exhaust pipe.
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