I impulse001 New Member Jan 16, 2008 84 0 0 New Jersey Jan 24, 2010 #1 Jan 24, 2010 #1 Hey, I was going to replace my oxygen sensors so I called up Autozone to get a price. They were asking me if I wanted an upstream or downstream O2 sensor. What is the difference between them? Which one do I need?
Hey, I was going to replace my oxygen sensors so I called up Autozone to get a price. They were asking me if I wanted an upstream or downstream O2 sensor. What is the difference between them? Which one do I need?
Mustang5L5 That is…until I whipped out my Bissell Mod Dude Feb 18, 2001 41,691 17,289 224 Massachusetts Jan 24, 2010 #2 Jan 24, 2010 #2 Well, we only have 1 each side. It's mounted upstream of the main cats.
I impulse001 New Member Jan 16, 2008 84 0 0 New Jersey Jan 24, 2010 #3 Jan 24, 2010 #3 Mustang5L5 said: Well, we only have 1 each side. It's mounted upstream of the main cats. Click to expand... Awesome, thank you very much. Ill go pick up 2 upstream sensors then..
Mustang5L5 said: Well, we only have 1 each side. It's mounted upstream of the main cats. Click to expand... Awesome, thank you very much. Ill go pick up 2 upstream sensors then..
