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02 sensor wiring diagram and instructions needed

Tiny
DUSTIN SCHULTZ
  • MEMBER
  • 2004 MAZDA 6
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
I'm trying to rewire a different O2 sensor in it and I have a 5 wire which is blue yellow white grey and black I'm trying to figure out which wire's are those. The wire on the car are 2 whites, gray and black. How can I wire that?
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Saturday, January 2nd, 2021 AT 12:53 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon, Are you using a universal O2 sensor for replacement? I have included the oxygen sensor wiring diagrams below.

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

I attached the colors f the wires for the connector for you. Check out the diagrams (Below). Please let us know what happens. There are only four wires I would get an oxygen sensor that matched.
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Saturday, January 2nd, 2021 AT 2:10 PM

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