Quote:
Originally Posted by 190eand me
I hate to tell you this Victor but a o2 sensor is nothing but a low level battery...that activates when heated......test my theory by taking it out of the car ...hook it up to your VOM meter and use a propane torch on the tip and see what happens to the voltage. interesting.
and it the only way to tell if its working or not
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And you can get a feel for whether it's good or bad by testing it following the procedure in MENU#4 under "O2 Sensor Testing".