× 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: GM active fuel management
Posted to Technical Discussion Forum on 3/6/2018

Connect a test light across the VLOM solenoid circuit (use a conventional test light and not a red/green LED test light). This will replicate the solenoid. Clear the code and check for the cylinder to recover and not misfire. Login to read more.