× 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: 2002 GMC Yukon, Poll Did It, Or Didn't It Need It
Posted to Technical Discussion Forum on 6/30/2007

[...trimmed text...]

You should have also noticed that the system was in open loop at that time, meaning that we don't know what was really going on at that time. We also don't know what the total trims would be normally ... Login to read more.