Check engine light on, something about the port one catalytic converter

2010 BUICK LA CROSSE
163,402 MILES • 3.6L • V6 • 2WD • AUTOMATIC
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FLIPPA334
  • MEMBER
  • 42 POSTS
I changed out the catalytic converter in port 1 and the oxygen sensor to port one but the check engine light still turns on. Once I get a reading on it, it's still saying something about the port 1 catalytic converter.
Jul 6, 2022 at 7:25 AM
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,176 POSTS
Okay, we will need the code number to help fix it, you can get the code by using this guide and report back to us:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run down this guide and report back.
Jul 6, 2022 at 8:07 PM
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