× 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: Code p0420 is present
Posted to Technical Discussion Forum on 12/7/2007 1 Reply

Hi Tony

Very interesting, I had never noticed that was a stipulation. Seattle is a tested area, so it has never come up. OBD2 is a federally mandated emissions program, but the only penalty is the light coming on. We have had vehicles covered under 8/80 with... Login to read more.

1 Replies Received (View Replies)