https://docs.emtronaustralia.com.au/engine-management/config/communications/eml4-can-setup/index.htmlEML-4 Setup. Up the 3x EML-4 may be connected to the Emtron CAN bus. This allows the lambda data for up to 12 cylinders to be connected to the ECU. With the addition of every EML-4 module the CAN address for each data packet MUST use sequential addressing. The preferred addresses are listed below. EML-4 CAN Data Address = 65 CAN Status Address = 66 EML-4Hugoen-us