get a bosh sensor off Fleebay , get the OEM type.
it just plugs in. No wire clamp and color codes to figure out.
testing-Oxygen sensor
see FED OEM chart.
a PNP sensor can be had or $45.
the $20 sensors are for 2 wire cars. Old as dirt.
15701
15701 bosch, great deals on on eBay!
$36
fleebay
type in , Bosch 15701
get this.
you can google search that and get millions hits world wide too.
you can also go to my link for NGK and look up pN and google that.
I recommend, Bosch, NGK or Denso for O2.
each O2 company has a parts catalog, just look up any car. bingo. Pn.