Do you coast while driving?
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Today I had both my gauges reading 50 and 51mpg on my work commute. I realized just how awesome this car coasts in neutral and even in gear. Seems to go a long while even on flat ground. I will use the technique more. I always did a lil before lights but not on flat ground coasting.
If you get a Scangauage (which will display your instant mpg), you will observe a big difference in coasting techniques. Sometimes when the car is coasting under the right conditions, the instant mpg reading will jump from 100-200mpg to 9999mpg. I think under the right conditions, the computer can almost shut off the injectors completely when the car is coasting.
Yeah I used to have a autometer ecometer in my last car, 08 elantra for the last 6+ years so I figured out long ago how to manipulate the gas pedal to work in my favor haha
The injectors are shut off. It is called "Deceleration Fuel Cut-Off" (DCFO). On my Mirage the injectors kick back on at about 1200 rpm when I am engine-braking to a stop. Not sure if this is what you are talking about.
https://www.youtube.com/watch?v=UVUJqfKPTcQ