Can I hit 600 on this tank?

You should always take off about 2 mpg from your average because the actual and calculated always seem to differ.

After that, simply multiply this average, so say it says 57 calculated in car so you use 55mpg, and multiply by your tank size of 11.9 or 11.5 to be safe and you get 632 miles. You can easily achieve 600. Although you must be careful and continue driving the same way otherwise you'll use it up a bit quicker. So even if you reach 632 miles you are still safe because you have .4 gallons left which would get you 22 more miles.

 

lol i did forget to mention to track your tank mileage after every fill up for this to work. But seriously there is no need to "have balls" to do this. It really is simple math if you track your tank mileage. I drive the c so I have a 9.5 gallon tank. If I'm hovering around 58-59 mpg I use 57 and know I can get 541 miles for sure. So I drive till about 540 or so and I'm good. Never have run out. Best tank is 581. You can do 600 no prob in the high 50's mpg.

 

Once it starts to "flash," carry a 1 gallon spare can of gas. Then monitor the 'energy flow' arrows. When the arrows go away, the last the gas is gone and find a safe place to park. Take photos, do the 'happy dance', and add the extra gallon. Then drive directly to the nearest station and fill-up . . . leave spare can empty. You will now know how much gas your car can carry in the tank.

Bob Wilson

 

Assuming you got a full fill up on your previous tank (i.e. the pump didn't cut off prematurely when you started this tank), you should be able to make it. 10x your displayed value (57.5 mpg) = 575 miles and that would use 10.5 gallons of gas. The remaining 25 miles would use 0.5 gallons (roughly), thus you'd hit 600 miles and would use 11 gallons of gas, leaving ~ 1 gallon in reserve.

The question is, when you hit 600 miles, will you be near a gas station?

 

I made it to 565 once and chickened out. Good luck.

 

If you really really want to push it, I would carry a gas container with you. Put 2 gallons in the container just in case.

 

i'd figure 57.5 *0.95 (to account for 5% error in mpg calcuated by prius) = 54.62 mpg. 54.62 x 10 = 546 miles on 10 gallons. so at 600 miles you'd probably fill up with approx 600/54.62 = 10.98 gallons.
Your probably safe, but if the temps are hot i wouldn't push it, don't want to risk damage to your fuel pump

 

Any updates?

 

^ maybe walking down a highway right now

 

no i don't think so, it calculates DTE based on the calculated MPG.

 

There was another discussion here, someone who ran dry AND ran down his battery, trying to limp to a gas station. Not sure, but I believe it takes more than a single gallon if you run dry. Not sure of the number, but maybe 3 gallons?

Just my 2 cents, I really don't see the point of this kind of chase. Why not just go after good mpg, not miles per tank? Safer.

 

yes, the engineers knew we'd try to strech this beast to its limits so they make it flash quite a bit ahead of time.

 

It takes at least two gallons to turn off 'flash'. One gallon is enough to start the engine and reach urban gas stations. In rural areas, more would be wise.

The only known risks:

• No overt warning after 2009 - Toyota replied that hiding the 'last of gas is burned' is OK with them. I disagree but it is not my design. There is a subtle indicator, loss of the power-flow arrows in the power flow display of the ZVW30.
• Three attempts to start on "no gas" locks out further attempts - this requires at a minimum, a 12V power-on-reset to clear the code so the car can start after gas is put in the tank.

Bob Wilson