Thread: installing down stream o2 sensor
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Old 07-19-2008, 07:51 PM
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BNaylor BNaylor is offline
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Re: installing down stream o2 sensor
Quote:
Originally Posted by Smith1000
I believe, Lesabres only have one O2 sensor, before the cat converter.
Are you sure? There should be a post CAT converter 02 sensor which monitors CAT converter efficiency. AC Delco PN: AFS123.



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