Testing O2 sensor to see if it is bad
#1
Testing O2 sensor to see if it is bad
I've not seen this description in browsing the forum, although I am sure it's somewhere. I figured perhaps a dedicated thread heading might be useful.
Remove the O2 sensor plug (#1 or #2 upstream or downstream). Look for the 2 BLACK wires on the sensor. Take your multimeter set to check resistance and place red lead on 1 black wire connector in plug, black lead on the other connector from remaining black wire. If there is no reading, the sensor is cooked. Replace it.
Remove the O2 sensor plug (#1 or #2 upstream or downstream). Look for the 2 BLACK wires on the sensor. Take your multimeter set to check resistance and place red lead on 1 black wire connector in plug, black lead on the other connector from remaining black wire. If there is no reading, the sensor is cooked. Replace it.
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Rdb x308 (08-30-2021)
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