× 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: EScan And P0420
Posted to Technical Theory Forum on 3/4/2007 1 Reply

So when you run the cat efficiency test is it gives a 90% efficiency rating or higher ? Login to read more.

1 Replies Received (View Replies)