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Re: Should a cat fail as defective if the substrate is rattling?
Posted to Emissions Forum on 9/26/2007

David,

California does not do an idle test after the loaded mode testing. I believe it is in the regulations to allow idle testing, but the powers to be have not yet required it. It could be a software issue, like many, with the BAR 97 machines. Maybe this m... Login to read more.