× 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: how does the EMS know when to switch from lean to rich duty-cycle
Posted to Technical Theory Forum on 1/7/2002 1 Reply

[...trimmed text...]

I nboth open loop and closed loop, injector pulse width (not really duty cycle - they are different)is determined by all/most sensor inputs. Most of these decisions are actually formula based rather t... Login to read more.

1 Replies Received (View Replies)