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International Automotive Technicians Network
Re: Fuel trims and catalyst efficiency
Posted to Technical Discussion Forum on 5/27/2012

Point taken.

Somewhere in my library I have a book from a seminar put on by Randy Bernklau listing the allowed differences between an OE and AM catalyst. The gap is huge.

You might be able to find that info here in the forums with a search.

BTW, Randy is... Login to read more.