So let's say I'm right.... (o2 sensor Q)
 

So I've come to the conclusion that I've been driving around with a bad o2 sensor for the last year. :( It would explain my awful fuel consumption and my flunking emissions in the CO test.

I'm taking it to the wrench on Wed. If I'm right, what could that mean? Lots of deposits? damaged cat?

Damn, really wish I figured this out earlier, I had nothing to compare to so I didn't know any better! Oh well, live and learn.

Nik

Anyone?? :)

Thanks,

Nik

I don't know if it means anything bad other than bad gas mileage.

Those things are a ***** to get out though.

I just broke my 02 sensor socket trying to remove the thing.

Kind of my fault. I muscled it instead of messaging it with wd40.

A new cat would be the expensive part. Make sure that the whole lambda system (was it CIS?) is working okay. After that, you're probably alright.

may not even need the new cat though. if the mech has a gas analyzer or equivalent he/she can tell if you need a new cat or not once the new sensor is hooked up.