Easy Fix for Code P0420 or P0430 Catalyst Efficiency Below Threshold Ford F-150.

In this video, I will show an easy and cheap fix for Codes P0420 or P0430 Catalyst Efficiency Below Threshold on banks 1 or 2.
MILWAUKEE'S Electric Tools MLW48-22-9415 Combination Wrench Set - SAE
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MLW48-22-9515 Combination Wrench Set, Metric
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Dorman Spark Plug Non-Fouler 42002
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