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#1
07-30-2010, 10:26 PM
Hummer Veteran
Join Date: Jun 2010
Location: Atlanta
Posts: 211
Fuel tank capacity
So my low fuel indicator light came on and I stopped to get gas. What amazed me is that it showed full after only pumping about 25 gallons. Is it possible that I do not have a 32-33 gallon tank?
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2005 Hummer H2 LUX
Whipple SC
Ceramic coated headers
#2
07-30-2010, 10:43 PM
Hummer Veteran
Join Date: Jun 2010
Location: Atlanta
Posts: 211
Re: Fuel tank capacity
So does this mean I am going to be filling up every 22 gallons burned?
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2005 Hummer H2 LUX
Whipple SC
Ceramic coated headers
#3
07-31-2010, 12:14 AM
Hummer Professional
Join Date: Nov 2008
Posts: 261
Re: Fuel tank capacity
I think it is actually just a 25 gallon tank? I am pretty sure. I do think it should have been a bigger tank for sure.
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2005 H2 SUV - Stealth Gray with Ebony interior - Third row - Exterior tire carrier -
Mirror caps - black bedliner
Roof rack rails - black bedliner
Wheels - Black bedliner on stock wheels
Gas cap lid - still chrome but will soon be black bedliner
Tail light guards - still chrome but will be black bedliner
Grill - Still chrome but will be black bedliner
Hmmmm, is there a pattern developing here?
#5
08-01-2010, 02:14 AM
Hummer Authority
Join Date: Jan 2008
Location: Gaithersburg, MD
Posts: 1,762
Re: Fuel tank capacity
I pretty sure I've pumped at least 32 gallons before...it's hard to do, since a lot of pumps around my way automatically stop pumping at $75.00.
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CNTRY
DTOM
#6
08-01-2010, 04:30 PM
Hummer Professional
Join Date: Aug 2007
Location: Bartlett, Illinois
Posts: 486
Re: Fuel tank capacity
The fuel tank capacity is 32 gallons, I have put 30 gallons in before, I think they played it extra safe with the gauge as I drove on the fuel light for quite a while before filling it as well.
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2008 H2 SUV Luxury: Solar Flare ext/Black int
SOLD 2006 H2 SUV Luxury: Pewter ext/Black int.
2002 Corvette Z06 Blue/Ebony (light mods)
1/4 mile: 11.661@118.86
2013 Audi S4
2002 Yamaha YZF R1 Blue/White
1/4 mile: 10.51@136
2006 Sea-Doo RXP (70.6mph GPS)
2005 Sea-Doo RXT
#7
08-04-2010, 05:38 AM
Hummer Veteran
Join Date: Apr 2010
Location: Fargo, ND
Posts: 243
Re: Fuel tank capacity
I was a needle width over an 1/8 today before I filled up with 27 gallons.
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2004 white H2 SUV lux
/ 37" Toyo MT's / Cognito pitman & idler support / Cognito tie rods / Rancho steering stabilizer / "green" T-bar keys
#8
08-04-2010, 01:51 PM
Hummer Veteran
Join Date: Feb 2009
Posts: 194
Re: Fuel tank capacity
Assuming they may have given a little fudge room in case you are wheeling. Going in a straight line on a gallon or two is ok due to the baffles in the tank keeping some gas flowing in the direction of the pump. Trying to go extreme incline/decline with only a gallon or two I am assuming could stall the truck. Just my opinion as I have not seen the inside of one of these gas tanks to look at the baffles...
#9
08-21-2010, 03:13 PM
Hummer Novice
Join Date: Aug 2010
Posts: 13
Re: Fuel tank capacity
I just did the very same. So when I got home I pulled out the HPTuners and started poking around. The computer thinks the gas tank is 29 gallons, so when the needle is pegged on E you should still have 3 in there... YMMV
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