02 sensor death

[TSIAWDTalon]

What happens when your 02 sensor dies? I can read voltage through the S-AFC and it stays constant all the time, while my A/F meter does nothing. Everything was working fine untill last night when I was on my way home. The A/F gauge just died, and I checked the voltage through the "blue wire mod" on the S-AFC. I did'nt get a CEL and the car seems to run fine. Is my 02 sensor dead? Any help would be appreciated.

 

[L2RTSiAWD]

When O2 sensors die you gas milage sucks and your car get bog or sputter on boost.

 

[TSIAWDTalon]

Thanks for the input L2RTSIAWD, but the car seems to be running fine. There is no bog or stutter under boost, just a bunch of clutch slippage.

 

[TSIAWDTalon]

To everyone who replied...... Thanks! Turns out it was just a loose wire.

 

[larryd]

to answer your quetion if you ever wanna know for the future, the o2 sensor will stop cycling or changing from hi to low #s.. thats a sign that its shot

 

[Turbo1gTsi]

Do you guys remember what wire from the Apexi S-AFC harness it was that would've been loose that in turn fixed this problem for you? Because both of my Sensor's voltage's are VERY low as well and don't seem to move THAT much... however they do still move. In my case do you think it would be a bad O2 sensor or bad connection? Thanks...

 

[Awdboost]

Originally posted by larryd
to answer your quetion if you ever wanna know for the future, the o2 sensor will stop cycling or changing from hi to low #s.. thats a sign that its shot

I got a CE light. It soo anyoing.

 

[Turbo1gTsi]

If your o2 sensor is indeed gone, isn't it supposed to throw a CEL making the check engine light come on? I ask only b/c I still think mine is going bad, but my check engine light doesn't show any thrown CEL's...

 

[larryd]

completely gone I can see it throwing a code but just not functioning properly it wont throw a code

 

[Turbo1gTsi]

larryd, thanks that's probably what's happening in my situation...