06-15-2015, 10:09 PM
There is technical info on O2 sensor operation all over the internet. In general you need a scan too to check one. A DVM can be used, but may not respond fast enough to see the signal change.
An analog meter would show it, but one site said use a DMM with a min. of 10Meg ohm. to avoid damage to the sensor. Analog meters are usually around 20K per volt.
Disclaimer. I have never tried to meter an O2 sensor and do not have any scan tools.
An analog meter would show it, but one site said use a DMM with a min. of 10Meg ohm. to avoid damage to the sensor. Analog meters are usually around 20K per volt.
Disclaimer. I have never tried to meter an O2 sensor and do not have any scan tools.