Various Topics on Lexus

..rt..

How accurate do you find that mpg indicator? Mine resets every time I put
any amount of gas in the car. What mechanism or technology is being used to
measure the consumption? The mileage seems good but i don't know if i trust
it.

..b..

I've figured mine manually several times on my 2004 LS and compared the
results with the indicator - It has been perfectly accurate every time.

I'm amazed. I figured it would be in the ballpark, but never thought it
would be accurate every time. I can't imagine how they do it, but I'm now
confident enough to rely on it. It's a great system (whatever it is).





"Bartok" <Bartok@taskforceable.com> wrote:

> How accurate do you find that mpg indicator?

... .... ..yt..

njbok wrote:
> I'm amazed. I figured it would be in the ballpark, but never thought it
> would be accurate every time. I can't imagine how they do it, but I'm now
> confident enough to rely on it. It's a great system (whatever it is).

The ECU knows just how much fuel is being metered into the engine, and
how far the car has driven. Probably the biggest inaccuracy would be
from tire diameter changing with wear or inflation.

--
sjs
2003 ES300