Rear 02 sensors
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Registered User
Joined: Oct 2002
Posts: 308
From: Stillwater, OK
Rear 02 sensors
Does anybody know what happens when these go bad? They are supposed to tell whether the cats are working properly or not. Will they hurt performance any or just set an SES light when bad? Thanks.
Registered User
Joined: Mar 2002
Posts: 77
From: Denver, CO
Re: Rear 02 sensors
Yeah, their only pupose is to determine if the cats are working correctly. I've always been under the impression that if they go bad all they do is throw a code and shouldn't actually hurt performance.
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