How do you locate the oxygen sensor

Tiny
DKROLETTO
  • MEMBER
  • 1998 FORD RANGER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
How do you locate the oxygen sensor
Monday, June 15th, 2009 AT 11:37 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The oxygen sensors are located in the exhaust system.
There are one of each on both sides exhaust manifold. Then one of each on the exhaust pipe after the catalytic converter.

Here is a helpful video:

https://youtu.be/BVUzDz6i_bw

Also, some articles that covers the oxygen sensor replacement procedures:

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

I have attached diagrams for your reference.

Please let me know if you have any questions.
Thank you.
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Thursday, October 28th, 2021 AT 8:48 PM

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