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S70 O2 sensors S70

posted by  someone claiming to be jB on  Tue Aug 30 15:28 CST 2005 [RELATED]



They can be checked with a DMM if it reads a very low voltge range. Unplug the sensor and set the DMM to lowest setting (1v or 3v usually) Find the black wire coming from the sensor and put your pos. lead on that pin and ground the DMM's black lead. Start the engine and watch the voltage. If the sensor is working (not necessarly perfect) the voltage will bounce around somewhat rapidly in a range between ~ .2-.8v. If you see that, it's probably good. Look over in the 700 forum. There is a more in depth procedure for checking them. Hope this helps

jB






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New S70 O2 sensors [S70]
posted by  volvosfive subscriber  on Tue Aug 30 14:40 CST 2005 >


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