Fixing Bad Catalytic Converters With Inefficiency Code P0420
Fixing Bad Catalytic Converters With Inefficiency Code P0420

Scotty Kilmer, mechanic for the last 46 years, shows how you can fix a bad catalytic converter by cleaning it. And, If you like my car help, be sure to watch...

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How to Clean Catalytic Converters

Scotty shows how you can clean your catalytic converter INSTEAD of buying an expensive new one.