Fiesta st o2 sensors

[Tatedup33]

Hey guys simple question lol do our fist have wideband o2 or narrowband my cobb ap isnt reading afr so i went ahead and ordered an uostream o2 sensor belive i might have damaged when i did the cobb downpipe must have been chuck norris who put that o2 sensor there but yeah wodeband from the factory? 2014 fist

 

[FearTheSnail]

The up stream O2 sensor is wide band. The downstream is not.