Fuel range

[Ohio44890]

How low can you go before you better get gas?
I have a 26 hybrid
I’m at 11% right now….will you run out at 0% or is that a conservative %

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[Cherokee]

“Ask about the possibility of going to 105% on the reactor.
It’s possible but not recommended.”

Go to 105% on the reactor.
Yes Captain.

Captain Tupolev (chasing Ramius).
Hunt for Red October
:’P

 

[tom_tucker]

Getting gas after going below 1/4 tank is cheap, fuel pumps and evap. systems are expensive. I'm right below 1/4 tank right now and I'll be going for gas tonight. It's been down around 1/4 for a week.

They say that gasoline cools the fuel pump, so that's what I'm going with. I should have gassed up days ago really.

 

[MaverickDragon]

How low can you go before you better get gas?
I have a 26 hybrid
I’m at 11% right now….will you run out at 0% or is that a conservative %

It's better to assume that the remaining fuel estimate is wildly optimistic.

As was noted, fuel pumps are made to be cooled by fuel.
Keeping the tank at least ¼ full is recommended to ensure the pump remains adequately cooled.

I consider a quarter tank as out of fuel, but then I don't have a lot of experience with the fun of running out of fuel, where you might...

 

[surfstar]

Go past zero.
You won't go to jail or owe $200.

and your fuel pump will be fine

 

[HeyBales]

Lot of range available on the 16.5 gal tank, after it says 0 miles to empty, which is based on 13.8 gal reading.
Yes that is correct - buy a lot of drivers that without going much past E, have found the fillups to be easily and well over 14-15 gal.

It doesn't sputter when it runs out - the system plays fail safe and stops the pump when low enough. Still fuel in tank. And the fuel pump temp to that point - no different than normal.
Yes - system knows the temp of the pump like many models do - these ain't ancient systems.

@Mavster Mechanic can share the details of his test.

 

[MavStangVa]

You can go right up to the point it sputters and quits. I have never understood the fascination with going as far as possible before buying fuel. Are you afraid of filling up and dying before needing to fill up? Same with topping off after the first click. Why?

 

[Aleks]

On the opposite end of this spectrum, stop once the fill nozzle at the pump clicks itself off, don't try to 'maximize fuel fill' and over ride it.

I generally try to get no lower than 1/8 to 1/4 tank before filling up, the fuel pump is cooled by the gasoline it is submerged in -- some say that it doesnt really matter, but why risk it unless it's an emergency.

 

[Mavster Mechanic]

On the opposite end of this spectrum, stop once the fill nozzle at the pump clicks itself off, don't try to 'maximize fuel fill' and over ride it.

I generally try to get no lower than 1/8 to 1/4 tank before filling up, the fuel pump is cooled by the gasoline it is submerged in -- some say that it doesnt really matter, but why risk it unless it's an emergency.

A) the pump is in a low deep well, or sump.

B) the liquid in the deep well is beyond the 13.8 gallons of a nominal fill

C) Ford intended for you, me, every hybrid driver to be able to use 13.8 gallons between fill-ups.

D) After you burn 13.8 gallons, 2.7 gallons remains

E) 2.7 gallons will keep your pump cool

F) so yes, your fuel gauge is lying. It's wrong.

G) when it says "empty" (an invisible, arbitrary line) it is not empty.

 

[Mavster Mechanic]

How low can you go before you better get gas?
I have a 26 hybrid
I’m at 11% right now….will you run out at 0% or is that a conservative %

It is conservative by a pretty wide margin.

 

[Ohio44890]

Percentage left on the dash is based on 13.8 gallons or 16.5 gallons?

 

[babytruk]

It’s a personal preference I guess. Go empty and fill to half or full.
Go half and fill to full.
Both cost the same in time.
I would hate to be the person that keeps a tank near empty when an emergency or great opportunity happens. I guess those people will then convert to having gas in their tank.

 

[MakinDoForNow]

A) the pump is in a low deep well, or sump.

B) the liquid in the deep well is beyond the 13.8 gallons of a nominal fill

C) Ford intended for you, me, every hybrid driver to be able to use 13.8 gallons between fill-ups.

D) After you burn 13.8 gallons, 2.7 gallons remains

E) 2.7 gallons will keep your pump cool

F) so yes, your fuel gauge is lying. It's wrong.

G) when it says "empty" (an invisible, arbitrary line) it is not empty.

Those who have run it dry have reported 60-80 additional miles after empty a few even more!

 

[ScottyC]

They say that gasoline cools the fuel pump, so that's what I'm going with.

Wrong

I generally try to get no lower than 1/8 to 1/4 tank before filling up, the fuel pump is cooled by the gasoline it is submerged in

Wrong

2.7 gallons will keep your pump cool

Wrong.....

When I upgraded my 1983 Mustang GLX convertible from a V6 to a V8, I also had my mechanic add a Holley Sniper EFI system for it...the kit came with an external electric pump that he mounted to the chassis ahead of the rear axle and the only reason we later added a Holley Sniper in-tank fuel pump kit (also upgraded tank to an 87-93 version to ease installation of the in-tank pump) was so that I did not have to hear the pump running when I ran the car.....I asked about cooling the pump, he laughed and told me that the pump is designed for it so the only reason to relocate the pump was for noise abatement and nothing more.

 

[MavGeek]

A) the pump is in a low deep well, or sump.

B) the liquid in the deep well is beyond the 13.8 gallons of a nominal fill

C) Ford intended for you, me, every hybrid driver to be able to use 13.8 gallons between fill-ups.

D) After you burn 13.8 gallons, 2.7 gallons remains

E) 2.7 gallons will keep your pump cool

F) so yes, your fuel gauge is lying. It's wrong.

G) when it says "empty" (an invisible, arbitrary line) it is not empty.

Great information! This is why I joined this forum.

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