When your MPG go up, does your cruising range go up?
Ridiculously Active Enthusiast
Joined: Nov 2007
Posts: 2,051
From: New Jersey
Re: When your MPG go up, does your cruising range go up?
Absolutely, since mine is never over the 500 range.
Enthusiast
Joined: Nov 2007
Posts: 4
Re: When your MPG go up, does your cruising range go up?
In 30,000 miles, I've never seen the cruising range go up, other than at fill-up time. I have seen it NOT go down for miles...when I am getting great mpg.
I've also seen it drop VERY fast near the bottom of the tank. I can leave my house with 14 miles to empty showing, and within a mile or 2, it shows 0...at the same time, the trip mileage in the ECO meter shows 35-40mpg!
I share your confusion.
I've also seen it drop VERY fast near the bottom of the tank. I can leave my house with 14 miles to empty showing, and within a mile or 2, it shows 0...at the same time, the trip mileage in the ECO meter shows 35-40mpg!
I share your confusion.
I have had that experience happen to me. The meter was showing 14 kms, and I was 2 kms away from the service area. As I was about to leave the highway to access the service area, the meter was showing 0.
Ridiculously Active Enthusiast
Joined: Aug 2006
Posts: 859
From: Waterloo, ON
Re: When your MPG go up, does your cruising range go up?
When your tank-average mpg goes up, your total tank range does go up. I define your total tank range as follows:
total tank range = distance travelled so far on tank + cruising range remaining on tank.
To find your total tank range, add the distance travelled so far on tank from the trip indicator to the cruising range from the MFD. You'll find that this combined number does fluctuate up and down as your tank-average mpg varies. I can't absolutely say that the car's cruising range estimate never increases, but I can absolutely say that the total tank range does sometimes increase. The ECU seems to hold the cruising range readout approximately constant while letting your steadily increasing driving distance make the necessary increase to the total tank range. This seems reasonable.
Stan
total tank range = distance travelled so far on tank + cruising range remaining on tank.
To find your total tank range, add the distance travelled so far on tank from the trip indicator to the cruising range from the MFD. You'll find that this combined number does fluctuate up and down as your tank-average mpg varies. I can't absolutely say that the car's cruising range estimate never increases, but I can absolutely say that the total tank range does sometimes increase. The ECU seems to hold the cruising range readout approximately constant while letting your steadily increasing driving distance make the necessary increase to the total tank range. This seems reasonable.
Stan
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