VW has that on newer cars too. My 2001 Passat has it.
But the accuracy is not too great. It tends to give a
higher number of miles per gallon than reality. It does
give you an idea how your are driving though. If the
number is lower than usual you know your foot has been
too heavy on the pedal. My Passat once got 40+ miles
per gallon coming down from Yosemite. In reality it's
more like 30+ miles per gallon. Back into the city the
number can go below 20. That's how bad city traffic can
lower gas efficiency for the car.

David

--- Tabe Johnson <greentabe-vanagon@YAHOO.COM> wrote:

> A miles per gallon gauge is a common instrument in
> BMWs.  It is hooked to the ECU and the speedometer,
> and reads the size and frequency of the injector
> pulses.  It's kinda fun to play with - your instantaneous
> mileage can go from infinite (downhill with throttle
> closed) to less than 5MPG (full throttle acceleration
> in first)
>
> I wish Vanagons had that.  (van content)
>
> tabe johnson / 87 westy
>

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