× 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: injector circuit open
Posted to HD/Fleet Forum on 1/27/2021



Pretty sure Cyl 1,2,3 share a common power supply. Cyl 4.5.6 share a common power supply. ECM controls injectors on the ground side. So a problem on the power side will knock out 3 injectors. Take a close look at all the connectors/terminals, a magnifying g... Login to read more.