× 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: Bad cat convertor causes secondary air injection code?
Posted to Technical Tips Forum on 11/5/2008

[...trimmed text...]

Many AIR systems do a functional test for readiness when warm. That way the O2 sensors will be nice and responsive.

Login to read more.