Where is the Bank 1 sensor 1 located?

2013 BUICK LA CROSSE
54,000 MILES • 3.6L • V6 • AUTOMATIC
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DOUGPARKS567
  • MEMBER
  • 60 POSTS
Hello, I am wondering where the bank 1 sensor 1 location is on the car listed above. Is it closest to firewall or opposite side closest to front of the car?
Jul 27, 2021 at 5:07 PM
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SQM
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 6,383 POSTS
Hello,

The bank 1 sensor 1 located closest to the firewall. See diagram below for reference.

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

Please let me know of any questions.

Thank you.
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Jul 28, 2021 at 10:37 AM
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