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Well, I just have a AA degree in automotive technology and although Idon't currently work in the field and not up to date on everything relating to the S65 when it comes to the powerplant. I do know how the rear 02s work. A properly installed 02 extension shouldn't cause a CEL. They aren't a gross adjuster, you could seal up the rear 02 bungs, tape up the rear 02 sensors so they aren't in the way and yes you would have a CEL for catalyst inefficiency, but it won't cause the car to go into limp mode. Like others have also said, it was something else.
Hey, I could be wrong but it would be against my experience. Thats all..I don't mean to get into an argument with you.
BTW guys, I have seen these extensions delay the onset of a CEL by several thousand miles even on cars without cats. To me this alone is worth it, if I only have to reset the CEL light every 1000 miles or so I don't mind that to be honest.
I would love to run software, just terrified about the motor going nuclear and being stuck with an outrageous bill.
Dave
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2020 Ford Mustang GT 6MT PP1 444rwhp
(Sold)2013 M3 Coupe-MR/BLK ZCP, 2011 M3 Coupe-MR/Blk
2007 Porsche 997C2S Speed Yellow/Blk sport seats
2004 BMW M3 Imola/Blk
Last edited by Dave07997S; 02-12-2011 at 09:18 PM..
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