× 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: P0431 recurring but not P0421??
Posted to Technical Discussion Forum on 12/5/2008 1 Reply

could one of the o2 sensors be unplugged to verify that the scan data matches the lack of signal the cat bank matches the resulting codes? Login to read more.

1 Replies Received (View Replies)