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Oxygen Sensor Question; C/S/V70 S70

posted by  rwisot on  Wed Jan 27 05:37 CST 2010
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last visit: Tue Sep 2 07:50 CST 2014
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OK. Thanks for the information. I will avoid the universal sensors.

It started throwing a P0422 code (off and on) about a year ago. I believe the description on my code reader was something like this, “main catalyst below threshold”. I took that to mean the downstream oxygen sensor was at fault.

I will check the charcoal canister and vacuum elbow. I’m not familiar with checking those, but I would assume to do a physical inspection, and test with a vacuum pump for leaks. Would that be correct?

Thanks again,
Rich W.
Apex, NC





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New Oxygen Sensor Question; C/S/V70 [S70]
posted by  rwisot  on Wed Jan 27 04:11 CST 2010 >


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