Hi
my 2011 XLS, curently 17000 KM (10563 Miles )on it, Do very bad gaz millage, 450 KM (280 Mile ) and my tank light turn on, At the begining i use to be able to at lease do 600 (372 Mile ) ish.
I also want to specify i go to the dealer to maintant so i have regular oil change 2 time so far, synthetic oil, and i alway put suprem in the vehicule as recomand.

What do you mean by reflashing ?
Is there something wrong with my outie ?
Average is always at 12 L/100 KM (19.6 MPG) even on hiway, ???

( Im in canada so i convert to Mile for you guy )

 

My worst is 12 L/100km discounting the warm up.
In town, once warmed I get 9.8 L/100km. While warming up it start at 20L/km
On the highway I get 7.8 L/100km

Mostly keeping to the speed limit and a Weapon-X throttle controller installed. https://mitsubishiforum.com/forum/mi...olution-39348/

This engine cost a lot of fuel when warming up (20 L/100km)

My wife get worse then me because she keeps the pedal deeper than me as I always get to speed then release pressure and the car keep it's speed usually by up-shifting.

Note: Flashing is for the Outlander sport or RVR in Canada.

 

I have NO idea how you ever achieved 600km/tank. Unless you were going 50km/h on a strait for 600km .

I wished I could keep my AVG at 'Claude_A's', but 80% of the time I have a heavy foot and those numbers are far gone!

But when using cruise control at 100km/h, the Outlander will eventually get down to average 7.8L/100km (After a 2-3hr drive for me!!)

Armymen, I think your Outlander is using up extra fuel, because its upset that you never step on it to release those 230 horses!