Originally Posted by feets
By what my techs tell me, the computer on a naturally aspirated car doesn't really care about intake air pressure (or density). It simply measures the volume of air going into the engine.
That's not strictly true, the system has to take density into account. It is the
mass of air entering the engine that is measured not the volume in order to inject the correct mass of fuel. The system can also compensate for a certain level of additional airflow, but no where near enough to allow for turbo charging.