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What are the steps for cleaning a three-way catalytic converter?

1 Answers

OVivienne

07/29/25 9:25pm

Steps for cleaning a three-way catalytic converter: 1. Place the removed three-way catalytic converter vertically in a container. Shake a bottle of three-way catalytic cleaner well and pour it into the high-pressure spray gun's container, then tighten it. Connect the air hose and evenly spray the cleaner onto the inner grid of the catalytic converter. The converter can be turned around repeatedly for thorough cleaning; 2. After the cleaner is used up, fill the spray gun container with water and spray continuously for more than three bottles; 3. Perform a road test of 3 to 20 kilometers to activate the catalyst in the three-way catalytic converter. At the same time, the vehicle's ECU will complete its self-learning process. At this point, the car's power and acceleration performance will significantly improve. Use an exhaust gas analyzer to check all indicators, and if they meet the standards, the process is complete.

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