Video of repair starts 0:33, prior to this is a review of fuel treatments I tested and how well they worked to clear the check engine light. Do not make the same mistake I did when buying a new O2 sensor. We show the location, tips, tools needed, lessons learned, and replacement of the O2 sensors on the right bank (passenger side) of a 2017 F150 with the 2.7L EcoBoost. Minimal tools required. A bad O2 sensor will give an error code P219A. Watch this before changing them yourself or ordering your New parts. Also, we briefly discuss fuel treatments that worked and did not work to clear the check engine light temporarily, until the parts could come in.
Watch this for the original diagnosis of the check engine light using FIXD OBDII port reader:
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