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Re: Failed Massachusttes Emissions test 700 1986

Check out this site: www.howstuffworks.com There is a current feature article on Catalytic converters and how they work. At the end of the article there are a couple of links to sites with additional information. You can find all sorts of interesting things on this site.

I was reading a book published by Bosch the other day. It had some good information on emissions. I agree that all your readings sound high, but as I remember NO2 emissions increase with a lean fuel mixture and hydrocarbons increased with rich fuel mixture.

Good luck and post solution so we can all learn.







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