× 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: CEL on, Multiple codes. where do you start?
Posted to Technical Discussion Forum on 8/30/2012

Repair the missfire and then attempt to set Readiness code.

Road test at high speed to determine Cat meltdown.

Most VWs present as pattern failures and a little reading will give you a lot of direction. These cars are almost always the same old same old un... Login to read more.