× 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: 2004 Yukon Denali EVAP.What Code is This?
Posted to Technical Discussion Forum on 9/3/2007 2 Replies

Hi William,

[...trimmed text...]

I had observed the fuel trims were basically OK, within 5%, as long as the vent was open and the system was purging. You can see this at the beginning of the snapshot, called First Fram... Login to read more.

2 Replies Received (View Replies)