fuel flow sensing

[Ting Zhou]

>> Maybe some kind soul could help out this old fossil and suggest some
>> suitable "donor" car models/years and where the sensor would be found,
>> roughly (and please don't just say, "in the fuel line, you dummy", cause
>> I can figure THAT out, heh).
>
>I'm sure that most manufacturers do this like Ford does.  There is no 
>actual sensor in the fuel system.  The fuel consumption can be derrived 
>by the on time of the injectors.  The computer then sends this signal to 
>the trip computer in the form of a PWM signal.  In a Ford Computer this 
>is done on a line labeled DOL (Data output link).  The computer also has 
>an input from the VSS (Vehicle Speed Sensor) and can thus calculate MPG.
>

Holden is doing the same thing in their VP, VR, and VS model.