× 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: Slow 02 response 2013 Silverado 5.3 4X4
Posted to Technical Discussion Forum on 1/21/2020 44 Replies

I wouldn't hang a aftermarket HO2S on it Louie. I would graph fuel trims with my scanner normally. But for me all bets are off with the aftermarket part. AFAIK there are no bulletins for that code and year but I am not at work with my laptop. The earlier years... Login to read more.

44 Replies Received (View Replies)