If I swap out the O2 would it make a difference with fuel economy ? Basically did it help you or should I consider an O2 simulator of some type ?.... I am looking at that option too
2003 Cavalier
Stock 2.2 Liter, 5 speed
" Leave the rice to Uncle Ben's and the wings to KFC..
Go clean or go home. "
simulators are only for downstream sensors, what one are you talking about?
I want to say it's the 1st one but can't remember .. May have be bank 1 sensor 2 now that I think of it
2003 Cavalier
Stock 2.2 Liter, 5 speed
" Leave the rice to Uncle Ben's and the wings to KFC..
Go clean or go home. "
thats the down stream behind the cat.
