Re: MPG gauge.

Bailey B wrote:
> Some new cars have digital mpg sensors

Its not a sensor. Its the engine management computer that does the math 
to come up with mileage.

  and gauges.   For those of you
> that have them, how accurate do you think they are?
> 
> When on interstate how much difference is their in mpg at 55 mph, 65
> mph, and 65 mph?
> 
> A dump truck owner said his gauge reads about 5 mpg on highway,  1 mpg
> on stop and go gravel back roads.
> 

The one on my wife's 1993 Chrysler 3.5L is EXTREMELY accurate. And it 
should be, after all the computer knows exactly how much fuel its 
putting through the injectors on every pulse, how far the car has gone, 
and how many pulses of what duration were required to get there.