Where is my 1999 Oldsmobile Alero O2 (Oxygen) Sensor?

Where is my 1999 Oldsmobile Alero O2 (Oxygen) Sensor?

This video shows where the O2 sensor on the exhaust pipe is located on a 1999 Oldsmobile Alero. I READ alot about where it was located but couldn’t find any …

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Weazell says:

@kah00na You can see the other one if you look straight down at the pipe
from the engine bay

kah00na says:

Well, I have since sold my Alero and bought a Jeep. I’m not getting any
younger and I thought it would be a fun vehicle. Thanks though!

kah00na says:

I’ve heard there are more but I don’t know where they are. I took my car to
my mechanic and his reader said that one of O2 sensors was bad but didn’t
say which one. So I can only assume it has more than one.

samuroth says:

Cool, thanks. Im pretty sure there are aleast two, and I cant find the
other one haha

nascar777man says:

@kah00na 2.2 or 3.4

samuroth says:

are there any more besides that one?

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