× 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: Cars without Converters, how do you get them to pass?
Posted to Emissions Forum on 4/6/1999

[...trimmed text...]

Most of the older vehicles have smog pumps. Make air is being pumped in to the exhaust as to burn up any emissions in the exhaust pipe.

Login to read more.