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Jared linked me this, I never knew this trick. Figured I'd pass it on.
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I have to try this today cause mine is acting all stupid...i think

 

Typically they respond slower too. My Autometer gauge froze at 14.7 when its sensor died.

 

sweet, thanks im gonna have to test my zeitronixs one....

 

this should be a sticky! my car keeps going lean, i hope its the o2, its been running on leaded fuel since tuned so i imagined the o2 was probably going

 

Note that this is a WBO2 test, not for a stock narrowband, although it might be interesting to see results with a 4 wire.

 

Great thread. Mine has been acting screwy too. I am glad there is a semi-concrete way to test these finally.

 

I'm not convinced and I actually don't consider the AEM a reliable unit to begin with. A friend gave me his to repair (broken display), it actually displayed 14.5-14.7 WITHOUT the sensor connected!

 

Almost all of them do this. My autometer wideband, AEM, and a friends Zeitronix all do the same.

Just about everyone uses the same Bosch sensor, what is different is how they read them and interpret the data. I think you can order a zeitronix that uses an NGK sensor.

 

Also a very good read that I am sure most of you have seen, but for those that have not.
http://www.fordmuscle.com/archives/2...tout/index.php

 

Yikes! My innovates (LM-1, LM-2, LC-1s) tell me if the sensor is disconnected, if the heater has gone bad or the sensing element has gone bad. I'm not sure I would trust a wideband that doesn't even know if the sensor is connected or not.

 

this is a great test to know about.
a friend told me about it a while ago and I wasn't sure if it was accurate/legit.

Now I know

 

According to the documentation this isn't a bug, it's a feature! Lol. It allows you to callibrate your ecu to a known voltage.

 

And knowing is half the battle...YO JOE!