How to replace the O2 sensor?

Tiny
SHELBIEATWOOD77
  • MEMBER
  • 1999 CHEVROLET S-10
  • 4.3L
  • V6
  • 4WD
  • MANUAL
  • 175,000 MILES
O2 sensor replacement.
Monday, March 24th, 2025 AT 11:56 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 50,192 POSTS
Hello Shelbie,

Here is a guide to walk you through the steps and the locations of the oxygen sensors so you can see which oxygen sensor to replace, do you have a code number by chance, if so I can tell you which on is not working.

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

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Tuesday, March 25th, 2025 AT 2:53 PM

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