× 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
vw / co and hc fails
Posted to Emissions Forum on 7/15/2009 13 Replies

guys ,

some opinions here would be nice

01 jetta turbo with elevated hc and co . lambda is 1.9% rich . no vacuum leaks , pressure good , mass is scoping good .

AFR is going negative amps to -.35 , and going positve amps to 2.6 .

here are asm numbers @ ... Login to read more.

13 Replies Received (View Replies)