Where is the Bank 1 sensor 1 located?

Tiny
DOUGPARKS567
  • MEMBER
  • 2013 BUICK LA CROSSE
  • 3.6L
  • V6
  • AUTOMATIC
  • 54,000 MILES
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?
Tuesday, July 27th, 2021 AT 5:07 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 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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Wednesday, July 28th, 2021 AT 10:37 AM

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