Hey everyone, I have a 2001 Chevy Blazer and I am wanting to do O2 sensors. I was wondering how many I need, what they are called and what the positions are. I tried looking it up on the internet but I didn't find much info.
Thanks.

 

This thread has been combined with your previous thread on the same subject.

https://blazerforum.com/forum/engine...74-help-93813/

*THREAD CLOSED*