FORD FOCUS ENGINE LIGHT CODE P0420 Catalyst System Efficiency

FORD FOCUS ENGINE LIGHT CODE P0420 Catalyst System Efficiency If you have Ford Focus and have engine light on and code P0420 we will explain what most likely causes code P0420 on Ford Focus MK3. Code P0420 Catalyst System Efficiency Below Threshold Bank 1. We will share the most common reason for code P0420 based on our experience at the shop. In this video we will demonstrate what triggered code P0420 on a 2013 Ford Focus but the procedure should apply to the whole first generation Ford Focus. This video might be helpful on: 2012 2013 2014 2015 2016 2017 2018 2019 Ford Focus Engine Light Code P0420 Catalyst System Efficiency Below Threshold Bank 1 This is not a sponsored video. Everything is purchased by us! The video is meant for entertainment purposes only. Do not Attempt! AMAZON ASSOCIATES DISCLOSURE *Disclaimer We, Electrical Car Repair LIVE, are not responsible for property damage or injury incurred as a result of any of the information contained in this video. Information given in this video does not guarantee the desired outcome. Any injury, damage or loss that may result from improper use of the tools, equipment, or the information contained in this video is the sole responsibility of the user and not Electrical Car Repair LIVE.