× 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: p0420/p0430
Posted to Technical Discussion Forum on 4/29/2023 1 Reply

[...trimmed text...]

This is a whole different animal, but maybe related? When I was at the Cadillac garage, 2000 ish, GM had an opinion that I'm gonna have to paraphrase, as it's been a while. The Northstar engines (whi... Login to read more.

1 Replies Received (View Replies)