Where are the oxygen sensors located?

1994 OLDSMOBILE CUTLASS
116,000 MILES • 3.4L • V6 • 2WD • AUTOMATIC
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MACKDADDY07
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Can't find oxygen sensors?
Apr 30, 2025 at 1:05 PM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
The oxygen sensor is at the rear of the engine on the right-side exhaust manifold closest to the firewall. This guide will help walk you through the replacement steps. Check the image below to see the sensor location.

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

Check out the images (below). Please let us know what happens.
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May 1, 2025 at 10:08 AM
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