Quote:
Originally Posted by kennybobby
The analog manifold pressure gauge (vacuum) actually provides instant feedback sooner and quicker than the digitical stuff can, since the ECU must read airflow/massflow/pressure to calculate injection pulsewidth, then the instrumentation must read the output pulsewidth and engine rpm in order to calculate and display FE.
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Technically true, but functionally & realistically a "draw."
Why? Because the movement of air pressure (vacuum) is relatively much SLOWER (millisecond) than the speed of electrons (microsecond)...even though those electrons have to functionally navigate the physical distances (and timing gates) between the sensor, computer, OBD-II CAN-bus, and lastly the SGII or UG.
Thus, my bet is on the electron over the physically moving bourdon-tube needle for pure "speed."