× 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: Reoccurring P0420
Posted to Technical Discussion Forum on 9/5/2019 5 Replies

[...trimmed text...]

don't you think that should / should have been done first ?

[...trimmed text...]

Login to read more.

5 Replies Received (View Replies)