× 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: Cat Efficiency P0430 P0420
Posted to Technical Discussion Forum on 11/6/2017 5 Replies

It’s been going on for about three months he’s not a guy that runs with CEL on, guess what I’m asking is there anything besides the converters and 02 sensors possible, has anyone had any experience with misfires, or any other engine conditions causing this pro... Login to read more.

5 Replies Received (View Replies)