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Unread 11-03-2014, 04:54 PM   #1
jebo0420
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miles to empty?

Not that I plan to make it a habit, but ah I just drove 30 plus miles with my fuel indicater on 0 miles!!! How the he'll is that possible

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Unread 11-03-2014, 04:57 PM   #2
luckyse7ens
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Quote:
Originally Posted by jebo0420 View Post
Not that I plan to make it a habit, but ah I just drove 30 plus miles with my fuel indicater on 0 miles!!! How the he'll is that possible
It tells you to get gas before your completely out. This is for the goofballs who drive until the gauge reads empty like yourself apparently

You got lucky!
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Unread 11-03-2014, 04:58 PM   #3
Jtav2012
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American cars typically have a pretty big buffer. Part of the reason why is that the fuel pump is kept cool by being submerged in gas in the tank, so literally running on fumes could cause it to overheat and break. I don't know if that is applicable to our jeeps, but it's what I've heard in the past. Part of it is also because the average American is pretty dumb and half of us are dumber than that, and having a big buffer keeps us from running to empty which can cause other problems too.

Either way, yes that's normal. We've got a 20.5 gallon fuel tank and even after running on "0 miles until empty" for about 10 miles, I've never EVER had to put more than 17.X gallons in at fill-up to get above the max of the fuel gauge.
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Unread 11-03-2014, 05:07 PM   #4
jebo0420
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Exactly! I've never put more than 18 myself. I didn't know the tank was 20.5 makes a lo more cense now
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Unread 11-03-2014, 05:15 PM   #5
luckyse7ens
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Quote:
Originally Posted by Jtav2012 View Post
American cars typically have a pretty big buffer. Part of the reason why is that the fuel pump is kept cool by being submerged in gas in the tank, so literally running on fumes could cause it to overheat and break. I don't know if that is applicable to our jeeps, but it's what I've heard in the past. Part of it is also because the average American is pretty dumb and half of us are dumber than that, and having a big buffer keeps us from running to empty which can cause other problems too.

Either way, yes that's normal. We've got a 20.5 gallon fuel tank and even after running on "0 miles until empty" for about 10 miles, I've never EVER had to put more than 17.X gallons in at fill-up to get above the max of the fuel gauge.
That is a good point to note. Most fuel pumps are cooled/lubricated by the fuel itself.
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Unread 11-03-2014, 05:24 PM   #6
BlackPrintz
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In Canada, our tanks are measured in litres (~77.5). Since I started wheeling, my gauge reads lower than it used to, it might have something to do with the dents in the skid or all that bumping may have shifted the float position. When the gauge is showing empty and my low fuel light comes on, I still have about 20 litres left. That 20 litres will take me about 160 km on the highway. Keep in mind, that this is not typical. It used to come on with about 10 litres left which gave me enough time to find gas without having a panic attack.
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Unread 11-03-2014, 06:07 PM   #7
CavallinoRed
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You had to know that there was a website for this http://tankonempty.com/

http://tankonempty.com/viewcar/Jeep/Grand%20Cherokee

Data points 88

Average distance 31.20 miles

Max distance 99 miles

Min distance 1 miles

St. Dev. 18.23
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Unread 11-03-2014, 06:14 PM   #8
jebo0420
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I had no idea lol
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Unread 11-03-2014, 08:12 PM   #9
arjeeper
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I've had lots of Jeeps and can't say I've ever run out of gas. Sure, I've been on empty for a while a few times, but the reserve is pretty substantial.
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Unread 11-04-2014, 06:56 AM   #10
road_tripper
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I let mine run dry to see how much fuel I could put in... 20.4 gallons. The 'miles to empty' goes to zero when I have 2 gallons left in the tank.

The fuel gauge stops moving about the same time as the miles to empty goes to zero... so really no way tell how much of the extra 2 gallons I've used if I keep driving.
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Unread 11-06-2014, 08:26 PM   #11
CavallinoRed
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Was running the tank down so I could drop it to install a fuel tank skid plate.

EVIC was showing 22 miles 'till empty and took 17.1 gals to fill. So had ~3.4 gal left.
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Unread 11-06-2014, 08:56 PM   #12
ChrisWK
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I put about 16.5 to 17.1 on zero to empty to fill up. I think I can drive a lot longer. I got one of the scan gauge things with gas percents it with say zero percent fuel. I will longer, glad it was not a computer think.
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