× 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: Fuel Trim Cells MAP Matrix
Posted to Technical Theory Forum on 2/8/2012

[...trimmed text...]

state of Ca and are not logged against the VIN #.

As best as I can recall for at least the last 6 years all pre-test results are recorded by the state and do show up when checking Smog test history... Login to read more.