This page is intended to orient the new user to the ECMLink system and, to some extent, ECU tuning concepts in general. If you just received your package and really have no idea where to even start, this is probably the page for you. If you already know how to tune an ECU and already understand basic engine operation, then this page is probably not for you.

It's simply impossible to give a full account of engine operation and ECU tuning concepts in a couple paragraphs. So please don't take the following as a complete summary of everything involved. It's not. This section is intended simply to orient the reader's mindset in the right direction with some high level concepts.

The engine works by igniting a mixture of air and fuel. The ratio of air to fuel is a key ingredient in producing power. Too much air or too much fuel (or too little of either) causes poor running conditions, misfires, etc. The mechanism it uses to ignite the mixture is a spark from the spark plug. The exact timing of this ignition process