How do I reset my Subaru fuel consumption?
Pressing the button to the left of the steering wheel for just a short time will toggle between the “A” and “B” odometer and mileage settings. Pressing the button for a longer time resets these settings.
Are car MPG computers accurate?
Over hundreds of vehicles tested, we have only seen the display be accurate a handful of times. Most of the time, the MPG display you see in your dash display is telling you your mileage is about 10 to 15% better than it actually is.

What does MPG on a Subaru mean?
MPG meaning MPG stands for miles per gallon and is used to show how far your car can travel for every gallon (or 4.55 litres) of fuel it uses.
Why are Subarus so fuel-efficient?
With each model’s design, Subaru strives to engineer vehicles that achieve the highest potential in fuel efficiency and gas mileage. To do that, Subaru’s fuel-efficient features include the Lineartronic CVT, Symmetrical All-Wheel Drive, Subaru Boxer Engine, Subaru StarDrive Technology, and Aerodynamic Design.

How do I reset my avg mpg?
Press the menu button, then select info, then history. If you then press “clip” it will reset the total average MPG (which on the history screen is displayed as “latest”), which means MPG since last reset. If you then go to your cluster display and switch to Total Time Average MPG, you will see that it has been reset.
Why does my MPG keep changing?
A bad fuel injector or dirty/old fuel filter can drastically affect the flow of fuel into the engine. A fuel system problem is one of the most common causes of poor gas mileage. The more you run your A/C, the lower gas mileage you will get.
How does car computer calculate fuel consumption?
Modern engines are controlled by computers that calculate how many microliters of fuel to inject into each cylinder per combustion cycle. To determine fuel efficiency, the computer keeps a running total of both the fuel delivered to the engine and the distance driven.
Why does my MPG keep going up and down?
Clogged or Damaged Fuel Injectors One of the most common culprits for a drop in fuel efficiency is dirty fuel injectors. Fuel injectors are the nozzles that spray fuel into each engine cylinder. A fuel injector’s spray pattern must be very precise to properly mix with air and combust inside the engine.