Effective management of the ratio between air and fuel in internal combustion engines underpins both performance optimisation and emissions reduction. The air–fuel ratio (AFR) determines combustion ...

Engines need a perfect ratio of air to fuel for optimal combustion, and too much of either comes with its own set of ...

There's an old saying in engine tuning that when adjusting the mixture of your engine you can be too rich a bunch of times, but only too lean once. With that in mind, determining the air-fuel ratio ...

A mass air flow sensor is one of the numerous tiny widgets and gewgaws that make up a modern automobile's electronic fuel injection system. In the MAF's case, it tells the car's computer how much air ...