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S70 O2 Sensor Clarification/OBD Reset S70 1999

posted by  KlausC on  Thu Jan 12 13:16 CST 2012
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

The front O2 sensor is before the CAT.

Disconnecting the battery will delete all of the history from the ECM and you will need to go through a driving/re-learning process before all of the other systems reach 'ready' status. It might be easier to just replace the sensor and drive around for a bit and see if the 'fault' goes away on its own.

In either case, do not expect to 'pass' the inspection a few days after replacing an O2 sensor.

Klaus
--
My advice is 2 cents, so you got what you paid for...






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New S70 O2 Sensor Clarification/OBD Reset [S70][1999]
posted by  rycsmith  on Thu Jan 12 11:22 CST 2012 >


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