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P0430 code on Ford f150 fx4 supercrew,New o2 sensor installed but still have code.

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2006 Ford f150 fx4 supercrew has code p0430,replaced o2 sensor and reset computer,code returned.

Vehicle: 2006 Ford f150 fx4 supercrew 5.4 ltr

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P0430 Catalyst efficiency below threshold Bank 1

Catalytic convertor do degrade due to mileage and use, even if you where to install a new catalytic the 02 sensor would need to be replaced.

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