The SGS Thompson microprocessor was developed for Bosch as an automotive engine controller. It is used in many leading European cars. DieselGas chose the ST10 276 microprocessor because of its engine control features and flexibility. The embedded software is written in C language and runs to more than 15,000 lines.

The dataset algorithms use several servos, up to eight tables and more than 400 settings. The software is written to allow for expansion and modification.

The ST10 276 microprocessor allows the software to be locked giving the ultimate intellectual property security.

The engine management system includes the DGTech technician interface programme that allows automatic fault detection and review of any issues. Self diagnostics and automatic fault logging allows for the identification of any fault by automatically recording the engine operating parameters at the time a fault occurs. Fault logs record 20 seconds of engine operation prior to a fault being detected. DGTech graphing programme allows detailed analysis of all parameters to identify the cause of a fault. Diagnostic, statistical and substitution logs can be retrieved and analysed. The logs can be easily sent electronically to the factory for analysis and rapid diagnosis of problems or review of the engine operating history.