× 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: What can make an engine run rich but the ECM detects lean
Posted to Technical Discussion Forum on 12/12/2009

i have never seen a filter cause a lean condition but i have seen a clogged filter cause a very rich condition so rich it was black smoking Login to read more.