How Do You Clean a Catalytic Converter?

By Staff WriterLast Updated Apr 17, 2020 1:16:32 PM ET
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To clean a catalytic converter, pour catalytic converter cleaner into the gas tank, drive until the tank is close to empty, refill the tank, and re-calibrate the vehicle's on-board computer. This helps to maintain components while reducing pollution emissions and eliminating foul smells.