where is the bank 2 Oxygen sensor located?

[jh3463]

I just had my '91 Ford Thunderbird checked out for a "check engine" light that comes on after the engine warms up then stays on. They told me that, among other problems, that the oxygen sensor [bank 2] is not switching for either lean or rich. I asked them where this sensor was located so I could do the job myself (16 year old vehicle and all) and they refused to tell me because they where not doing the work. I read on-line that the problem might be a dirty connector. They suggested that the connector may just need cleaning. OK, where would this connector be?

Also, as if this isn't enough, does anyone know where the EGR (?) is located? The mechanic said that the vacuum hose is collapsing near the EGR position sensor.

And the last thing is the Fuel Pump circuit is open from battery to the ECA. What is the ECA and what would I need to do to correct the open circuit problem?

Thanks

[GreyGoose006]

the o2 sensors are on the exhaust pipe coming off the manifold.

[jh3463]

Thanks, I found them finally, now I need to know how to fix the vacume problem. Where do I look for the vacume hose that is the problem? Or maybe the EGR position sensor is the problem. Where do I look for this sensor? The Fuel Pump circuit, is there anything I should do correct it?