Help with a few kinda technical issues. 02 sensor issues.

BruhBrahBrad · Feb 23, 2011

so lately I've been getting REALLY SHITTY gas mileage, so today I took the car to school, ran codes and checked the sensors. I suspected the 02's being the problem.

So here are my results of testing the 02's. r

Ho2s bank1 was lean and the voltage was EVERYWHERE anywhere from -130+volts to +130 volts... Im suspecting this being the issue.
Ho2s bank 2 was rich with a much more realistic reading of .0 to .90 volts.

No codes were givin when I did the test, Could this condemn the bank 1 o2 as being bad?

Also checked the tps voltage and it was 1.01 is that A good setting for it, I tried to adjust the screws but the IAC was in the way, and I didnt have time to remove it.

CC'S95GT · Feb 23, 2011

swap the o2's and see if the bad reading transfers to the other bank.
you might also have bad cats

BruhBrahBrad · Feb 23, 2011

its a catted x pipe, with the cats gutted, but they are after the o2s.

BruhBrahBrad · Feb 23, 2011

im gonna try that with switching them.

Addermk2 · Feb 24, 2011

+130 volts??? in a 12v system?

CC'S95GT · Feb 24, 2011

Bradley said:
its a catted x pipe, with the cats gutted, but they are after the o2s.

gutted cats. you failed to mention that. lol

BruhBrahBrad · Feb 24, 2011

Yeah but the o2 is before the cats, which means it shouldnt be reading that correct? One side is fine, the other is fubared.

Addermk2 said:
+130 volts??? in a 12v system?

I dnt think its actually that many volts but that the sensor is not giving/getting a proper signal, so the scan tools datastream was acting funky.

CC'S95GT · Feb 24, 2011

IF you had cats and IF they were clogged. That could be giving you the high fuel consumption issues as well as the bad o2's.
you might even have problems with the egr too.