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

Опубликовано: 17 Апрель 2025
на канале: 737mechanic
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This is for educational purposes only and should not be done due to federal EPA regulations.

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.
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