× 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: EGR passages clogged?
Posted to Emissions Forum on 1/15/2019

If mode 6 shows a failure by a small margin, it may need to fail many times to complete and set a code. It's tested on decel with a change in MAP. I've found it useful to look at code setting criteria to run monitors (GM is good about it) In this case look at ... Login to read more.