Where is the 2nd Downstream oxygen sensor located on a 1992 Carolla ?

[50 cool 50]

Hi
nooby here. Just wondering
where is the 2nd Downstream oxygen sensor located on a 1992 4 cylinder Base model Carolla ,
had a look today, I'm screwed if i can see it?

any ideas?

thanks for your replies

[50 cool 50]

anyone?

[Blof-fan]

With downstream I assume you mean in the exhaust? and that you are referring to the lambda sensor?
If so, there is no 2nd sensor. There is only one, before the cat and that's it

[eage8]

yup. It's OBD-I, only 1 o2 sensor.

[eage8]

Corolla also doesn't have two A's by the way... only 1