× 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: smog machine communication error
Posted to Emissions Forum on 4/10/2008

I am going by memory here so I dont know how accurate this is. My understanding of what a smog machine looks for during the OBD2 check is RPM, monitors incomplete, and current codes.

I have had a few of these vehicles give me the same issue. Most behave like... Login to read more.