× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: is 3500ppm nox precat on a 97 cavalier too high?
Posted to Emissions Forum on 2/17/2004 8 Replies

[...trimmed text...]

Oh yes it is.

As the CO2 level increases, temperatures rise. Beyond stoichiometric CO2 starts to drop but there is still plenty of heat and an increasing level of O2 so NOx still rises (and it is ev... Login to read more.

8 Replies Received (View Replies)