The AEM EMS has come a long way since the introduction of the Series 1 version that debuted more than a decade ago to the tuner market. In the summer of 2009, AEM released their next-generation ...

A new patented and class-approved on-top system for intelligent engine management promises a 10% reduction in a ship’s fuel consumption with a payback period less than 18 months, says the solution's ...

CAN-bus. We've all heard the term before, but just what does it really mean? Today's new vehicles are engineered using a multiplexed wiring system known as CAN-bus. The on-board communications ...

This paper describes the CEM, an original electronic engine management system developed by Alfa Romeo which has the task of controlling fuel injection, ignition and other boundary functions. This ...

Once upon a time an engine needed three things to run: fuel, air, and fire. That's what carbs, coils, and distributors are for. Modern EFI engines still need these three elements, but they use ...

In an effort to help meet more restrictive emissions standards, GM launched a technology in 2005 that deactivates engine cylinders during undemanding driving scenarios. Known by both Displacement on ...