The AZ testing is a little easier to understand than the CA ones I've seen posted, fortunately. My truck passed the equipment portion of the test, but failed the tailpipe sniffer.

Hydrocarbons (HC) in grams/mile= 2.19, std. is 3.00=pass

Carbon Monoxide (CO) in grams/mile=34.05, std is 25.00=FAIL

Oxides of Nitrogen (NOX) in grams/mile=8.01, std is 4.50=FAIL

Wish I could have seen Oxides of Nitrogen at Woodstock, but I was too young. Anyway, can I get some advice on what to do? This truck is all stock and I believe everything is connected correctly. It has 141,000 miles on it and the factory exhaust, complete with pre-cat is intact. Muffler had a few little holes in it, but some muffler putty took care of that.

Thanks in advance!

John B.

Last edited by JohnnyBfromPeoria; 06/25/10 10:22 PM.
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