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Old 05 Oct 2006, 04:32 pm
TeGGeR®
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Default Re: Fuel Consomption from OBD-II values

"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.

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TeGGeR®

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