"Chris" <criro1999@gmail.com> wrote in news:1160064779.892720.143910
@i3g2000cwc.googlegroups.com:
> Is there any way (formula) to calculate the fuel consumption (e.g.
> L/100 KM or Gal/Mil) from values read from OBD-II interface?
>
> I think next values could be taken into consideration to compute the
> fuel consumption, but I don't know how exactly to interpret the result
> of them:
>
> Short Term Fuel Trim
> Long Term Fuel Trim
> Mass Air Flow
> Fuel Pressure
> Accelerator Pedal Position
> Throttle Position
> RPM
>
I seem to recall seeing a laptop-based OBD-II diag system that was capable
of the sort of number-crunching you need to do. I don't seem to have
recorded the maker, though.
Laptop solutions are software-based, with an adapter cable that conects the
OBD-II DLC port and a USB port on your laptop.
--
TeGGeR®
The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/