× 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 4/28/2023

[...trimmed text...]

Adding an unapproved additive to the oil damaged the converter. Short trip driving probably didn't help either.

[...trimmed text...]

Not required and not nece... Login to read more.