o2 sensor

[sean mcmahon]

Here is thi link to it on se-r.net
http://www.se-r.net/car_info/problems/index.html#Low%20gas%20mileage
they talk about replacing the o2 sensor.... but if I'm not wrong there is one
on the exhaust manafold and one behind the cat.  Oh confusion sets in.

-sean

--- Jon Pennington <cowboydren@yahoo.com> wrote:
> On Sun, 2002-01-06 at 01:39, sean mcmahon wrote:

> > When people replace the o2 sensor on their car to get better gas milage....

> I'm not familiar with this, unless the O2 sensor has been diagnosed as
> failed or failing.  Where can I read more?