With all the talk of bad A/F sensors and O2 sensors from header installs gone bad, here is the way to diagnose whether or not your sensor has kicked the bucket. By determining this outside of the dealer, you could stand to save a bit of cash.

-Requires a mulitmeter or ohm-meter.

 

j helps once again...

 

Just doing my ScionLifer duties.....

 

i believe you
if ur a/f sensor goes bad, i have extra chillin at the house

 

Handy

 

Thanks... good find.

>>>> Tech Section this plz!