Can't break 40MPG...

[CTScott]

Originally Posted by Loren

How high you rev is only part of your concern when trying to save fuel under acceleration. Throttle position is as important, and probably MORE important.

You'll use more fuel with a heavy foot shifting at 2000 than you will with a light foot shifting at 2500

Exactly - It's that whole pretend your stepping on an egg shell thing...

[Kaotic Lazagna]

Just curious, what grade and brand of gas are you using? I'm only averaging 40mpg now, and I do a bunch of stuff. I'm thinking a big possible thing is my sound system. I do play my music loud with a lot of bass, so I'm thinking that's doing something. Before my sound system, I was getting 42 mpg without doing anything and driving 65 mph.

For some odd reason, I used the A/C for some time the tank before last, and I actually ending up getting better FE, at 41.xx mpg. I had the setting to circulation, fan speed of 1 to 2, and the vent setting at face and feet. I notice that this happens from time to time. No clue why.

[Sodium Duck]

I use the cheapest I can find. I've put gas in my car 29 times, this is where I got each one:

Gulf
Gulf
Shell
Shell
Shell
Shell
Sunoco
Shell
Shell
Hess
Shell
Shell
Shell
Shell
Shell
Pride
Mobil
Shell
Stop & Shop
Racing Mart
Shell
Shell
Stop & Shop
Stop & Shop
7/11
Pride
Hess
Shell
Pride

So I guess I buy mostly Shell, always 87 octane.

[Sodium Duck]

I never thought that throttle position was more important than RPM's in fuel economy. That's good to know. I'll be even more light on the gas then. I think that might help me a lot, too.

[Sodium Duck]

This is looking very good. Usually my first bar disappears after 80 miles, and I'm at 93.X and it's still there. Woot! I can't wait to see how much I get out of this tank.

EDIT: It went at 97.X. Sweet.

[toyo]

nice thread!!!!!!!!!!

[Bob_VT]

My 08 auto LB gets 40-44 if I pay attention to my driving.

If / When I pay attention...... I do the speed limit or a fraction less. I do not do 69 in a 65 but 62 in a 65 zone..... plan all my lane changes and stopping. I never use Neutral at all. Never hit the gas going down hill.

Now the wierd part. If I ignore my driving I get 38 on average..... I have also found that mid grade fuel delivers better mpg.....

[yaris prime]

I can't break 40 either. I consistently get 39.xx too. It's taunting me. My last three tanks were like 39.6x.
I find that no particular gas works any better than others.

[The Spectacle]

Originally Posted by CTScott

I recently picked up a used Scangauge. I usually get about 35 MPG max, and now I see why - I never thought that I had a heavy foot, but I often see 5 MPG for a few seconds when accelerating from a stop. With the Scangauge I am learning to accelerate more gently and am expecting that at my next fill-up I'll notice a significant difference.

I just got one too and I notice how far my MPG dips when accelerating BUT that whole "pretend like you're pressing an eggshell instead of a gas pedal" has me flustered. I mean, this car already has no power and you want me to baby it from a stop? Don't get me wrong, I've tried it to see how it affects the instantaneous meter on the SG but it takes too long for me to get up to speed for my tastes.

As such, my MPG isn't nearly as high as you guys is. Maybe I need to some fuel saving mods to help out. Check my MPG in the sig lol. Pathetic I know but hey, its better than my other car by a long shot.

[CTScott]

It is quite painful to accelerate that slowly. I work from a home office, so most of my driving is running around town mid-day, so I am not dealing with commuting or traffic.

[toyo]

mine's a 1.3L and i'm loving it, last time I got 39.1 mpg, now using DFCO and 38 psi in the tires hopefully i'll break 40!

I know, for a 1.3L it should give better mpg, but I'm suck in traffic all the time :( all city driving :( x 2 freaking hate traffic jams!!!

[marcus]

37mpg with pushing car on the highway run.. did 45 mpg one time going camping going 90 km/hr on the highway. this is summer time. temp around 28-32 degrees.

[yaris prime]

Originally Posted by yaris prime

I can't break 40 either. I consistently get 39.xx too. It's taunting me. My last three tanks were like 39.6x.
I find that no particular gas works any better than others.

Update......
40.56 mpg on last tank- finally!!

[YarisOwnersDad]

Originally Posted by yaris prime

Update......
40.56 mpg on last tank- finally!!

Congrats!

[GeneW]

Originally Posted by Sodium Duck

I can get 39.XX, but not 40. I use DFCO constantly down hills, coast in neutral down smaller hills, use DFCO to come into red lights, putter away from stops very slowly, have my tires at about 45PSI (that was the biggest help, about 2MPG), drive 50-55MPH whenever I can, don't use the A/C or defroster settings, keep windows up/cracked a little instead of down, I stay fairly close to big rigs and other large vehicles when I'm on the highway, too.

Does anyone else have more idea's on what I can do?

You need better drugs, Natria. Quit hauling your belly button lint and dryer lint - excess weight reduces your efficiency.

Coasting in neutral is a loser's game. DFCO is where it's at when it comes to saving fuel.

If you "putter" you're probably hosing your mileage. I do best with moderate acceleration.


You live in Massachusetts? It's cold up there, isn't it? My Yaris gets its best results over about eighty five Fahrenheit and up.


Gene

[Pitt Yaris]

I've had to fill up at around 330-340 miles (give or take 10) ever since I got my yaris *October 08* then I changed my oil Tuesday with Castrol GTX (not synthetic) and a Napa Gold oil filter. I just got 400 miles on this tank. Awesome.

[Sodium Duck]

42.778 MPG this tank.

Things I did different:
..55 MPH on the highway
..Very slow accelerations
..Extremely light on the throttle
..No neutral, except a few instances

I managed this despite making several short trips down the street with my girlfriend and various junk in the boot (moved into a new place).

Spectacle: There's no fuel saving mod out there that will help you, otherwise we'd all have it and be ranting and raving about how great it is...

It's been said before - the best mod is yourself. The way you drive your car has the most direct effect on your gas mileage. I modified my driving style and managed about an 18% increase in my fuel economy! I hate this because I know I can do better. Hopefully in the next few tanks I'll give it another try.

Thanks for the help everyone!

[Sodium Duck]

Originally Posted by yaris prime

Update......
40.56 mpg on last tank- finally!!

Awesome! What do you think pushed you over the edge?