Where is the O2 sensor located?

Tiny
DENNISLA365
  • MEMBER
  • 1989 OLDSMOBILE CUTLASS
  • 2.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 60,000 MILES
I have a bad O2 sensor but can find specifics about the location.
Friday, February 25th, 2022 AT 12:14 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The oxygen sensor is located on the back of the engine, at the base of the exhaust manifold.

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

I have attached a diagram showing the location and replacement steps.

Please let me know if you have any questions.
Thank you.
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Friday, February 25th, 2022 AT 12:35 PM

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