P0054 Code Fixed – Replacing the O2 Sensor on a 2011 Ford Fiesta | The Fixit Shed

My 2011 Ford Fiesta was throwing a P0054 code, which usually points to a problem with the oxygen sensor heater circuit. It could be caused by a bad sensor, blown fuse, or damaged wiring. I checked for obvious wire damage and tested fuse F17 (15A) — both looked good. So I replaced the O2 sensor. Instead of clearing the code, I drove the car to let the system reset naturally. The check engine light turned off after just over 50 miles.

If you're chasing a similar issue on your Fiesta, this video walks you through the diagnostic steps and O2 sensor replacement.

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Видео P0054 Code Fixed – Replacing the O2 Sensor on a 2011 Ford Fiesta | The Fixit Shed канала The Fixit Shed