× 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 4/14/2004 25 Replies

[...trimmed text...]

I know this is a real complicated concept so please bare with me here. Get the hose out, place it over the cat(s). Turn on the water. Start vehicle. This keeps the cat from lighting.

If you want to ... Login to read more.

25 Replies Received (View Replies)