Oxygen sensor reading

Asked by Guru9KG4BY Apr 26, 2022 at 09:22 AM about the 2006 Toyota Sequoia SR5

Question type: Maintenance & Repair

I have a 2006 Toyota Sequoia and it has the VSC Trac lights on with the check
engine light as well.  I checked the upper O2 sensors with a multi meter and
they read 2.1 oms.  I need to know if that is a good reading for those sensors or  
are they bad?  Thanks

2 Answers
307,185

Gene answered about a year ago

O2 sensors make voltage not ohms. Did you have an O2 sensor code? Was the code for the actual sensor or the heater? O2's are usually checked with a live data scanner

Mark helpful
157,415

Bob answered about a year ago

Checking O2 sensors with the wrong piece of equipment can damage them. The 2.1 ohm reading was likely the heater for the O2 sensor.

Mark helpful

Your Answer:

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