× 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 4/8/2004 58 Replies

[...trimmed text...]

Rusty, I think pre-cat NOx VS post-cat NOx is the only way to determine reduction efficiency. Just my opinion, but we use what works!

Login to read more.

58 Replies Received (View Replies)