What kind of new O2 sensors did you put in?

If they are NTP or some such - then you put in Junk.
Or come goofy crap from Autozone.

Only Bosch will really work correctly.

 

I used bosch direct fit from the start.

 

OK good news about the Bosch direct fit.
Now, if you put on a scanner - live data -
go to the O2 sensor monitoring mode.
Do the O2 sensors oscillate up and down from .998 down to say .02 volts?
This should happen a few times a second.

This is a feed back loop - when this is happening you are in closed loop which is where you want to be.

 

Time for an update.
The good news is that as soon as I repaired the bad connection that I mentioned earlier in the thread all 8 of the codes that I had went away and have not come back.
As of now I have 2 brand new upstream o2s fitted and perfect cycling on bank 2. Bank one is only moving between 0.6-0.7 volts and s.t.f. Trim does not go below -24%.
My options as I see them right now are:
Rewire harness between bank 1 and ecm
Possible bad computer?
Possible stuck injector(s)?

I should mention that all my testing has been done in the driveway as I am unable to drive the vehicle yet and that the gas tank has 83 octane fuel in it which will be fixed as soon as I finish fixing the crash damage and get back on the road.

Any thoughts or comments would be gratefully recieved.

 

Please update when you have a chance ... interested in the final outcome and if low octane/bad gas was part of the problem?