AEM 30-6905 Universal Programmable EMS-4 - Manual (Page 261)

Page 261 of 279 EMS-4 Install and Tuning Guide_Rev 1.6
3-D Maps for Staged Injection
Fuel Difference map
Units: Fuel vs RPM vs Load Description: Allows a programmable fuel percentage when
using the Diff Switch Input option.
Channels (can be viewed or logged)
Fuel Diff
Units: %Description: Displays the current % of fuel (from the Fuel Difference map) that is being
directed to the staged injectors.
Fuel Diff Trim
Units: % Description: Displays a programmable staged fuel trim parameter which can not be
saved and is only for live tuning
Fuel Difference
Units: On/Off Description: Displays if the Fuel Difference map is currently being used for
staged injection.
Fuel Inj Duty Pri
Units: %
Description: Displays the current injector duty cycle of the primary injectors.