× 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: 04 YUKON P0442
Posted to Emissions Forum on 10/17/2007 1 Reply

Are you asking if there has been a PCM calibration to address this issue? Have you checked here? [...] [[...]]

Just curious- Did you scope/record the change in FTP sensor values? How did you pressure test the system? Login to read more.

1 Replies Received (View Replies)