× 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: 2003 Alero P0420 Gathered Data
Posted to Technical Theory Forum on 5/7/2007

[...trimmed text...]

Haven't seen you posting much lately. Glad to see you back. Yours are always a fun read.

As for the data and its usefulness, the fuel trims are useful for verification of fuel control. Other than th... Login to read more.