https://docs.emtronaustralia.com.au/engine-management/functions/idle-control/idle-speed-tuning-guide-3/index.htmlIdle Speed Tuning Guide Idle Speed Tuning Idle Speed Control in Emtune has comprehensive functions. There are a multiple tuning parameters, target, and position compensations. Ignition timing is a contributing factor to engine idle speed. Please make sure you have reasonable timing being commanded by the ECU to make idle speed configuration go smoothly and function consistently.Hugoen-us