Kizashi Club

My average fuel economy been stuck at 23.1 mpg for some time now, i did a 6 hrs round trip to South New Jersey yesterday it still remain at 23.1 mpg how can i change this?

Reset the trip computer and it will start working out the average again from scratch.

I use a site like Fuelly, I find it more informative (and more exact) than the in-dash calculator

http://www.fuelly.com/driver/recardeeps/kizashi

If you want the most accurate fuel economy calculations, do it the old way: math.

Fill up your tank completely and reset the trip display to 0. Drive the car until the gas is near empty.

Fill up the tank completely again and record from the gas pump how many gallons it took to refill the tank back to full.

Then simply divide the miles traveled on that previous tank (this figure is called "Range") by the gallons it took to completely refill the tank.

For example, 341.2 miles divided by 13.44 gallons. Your fuel economy is 25.4 MPG.

I do this calculation almost every time I get gas and find the car's MPG calculator off optimistically by 2 MPG EVERYTIME.
It will report approximately 27.4 MPG when the real MPG was 25.4 or so.

I've noticed my recent mileage is below 24 MPG; I think it's because I'm pushing the gas pedal too hard too often.......

WESHOOT2 wrote:I've noticed my recent mileage is below 24 MPG; I think it's because I'm pushing the gas pedal too hard too often.......

Naa... Can't be that! You should get better mileage since you get there faster and then engine is not running as long.

Yesterday's fill = 25.1 MPG. Mobil premium (filled with Sunoco 93).


Gotta get the VCS back on.......

KuroNekko wrote:If you want the most accurate fuel economy calculations, do it the old way: math.

I do this calculation almost every time I get gas and find the car's MPG calculator off optimistically by 2 MPG EVERYTIME.
It will report approximately 27.4 MPG when the real MPG was 25.4 or so.

I wonder what measurement the EPA was using.

So I just realized that we filled up the car 2 times we've only gotten 111 miles out of it. The car has only been driven in the city back and forth about 6 miles or so, what should the fuel economy be this bad?

SamirD wrote:So I just realized that we filled up the car 2 times we've only gotten 111 miles out of it. The car has only been driven in the city back and forth about 6 miles or so, what should the fuel economy be this bad?

Make sure the numbers are not off. I've heard that heavy snow can really decrease fuel economy, but 111 miles out of two tanks (roughly 13 gallons per fill up) equates to 4.2 MPG. That's very very unlikely. Make sure your numbers are right.