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Engine light came on so I plugged the scanner in and p0430 code showed up. (Catalytic converter - system efficiency below threshold -BANK 2- ).

Vehicle: 2000 CHEVY Silverado 1500 - 4.8L vortec

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P0430 Catalytic below efficiency Bank 2

Catalytic convertor do wear out, just as tires and brake pads and so do catalytic convertor, One of the most popular belife is low fuel quality, What wears out the catlytic is poor engine perfomance , engine that is using oil or burning oil.Poor fuel quality is low on the abilty to wear the catalytic convertor out, Fuel is always tested nobody will buy a product knowing that it does harm.

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