Gutting or removal of Cats, will it throw any codes???
TECH Resident
Joined: Jul 2003
Posts: 834
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From: Marysville, OH
Re: Gutting or removal of Cats, will it throw any codes??? I would have to say that yes this will throw some codes. The rear O2 sensors detect changes from the front 2. If there are no changes then there is bound to be an SES light. There should however be no performance difference because of the codes.
TECH Fanatic
Joined: Feb 2003
Posts: 1,586
Likes: 0
From: Columbus, OH
Re: Gutting or removal of Cats, will it throw any codes??? Ken, you're still running front 02's right? I haven't had a chance to put in those cats yet. I didn't have a deep well 15 to get a handle on those bolts to pull it out. Also, what size is the 02 sensor if anyone knows? I don't have a wrench to fit it, just have a Craftsmen quick wrench that barely grabs on to it, but the wrench is a POS. As for throwing codes, I'd recommend a set of O2 simulators from one of the sponsors on the right...
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