RE: Horrible gas mileage any reason?
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RE: Horrible gas mileage any reason? - 7/10/2007 7:48:18 PM
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Shannon
Posts: 10
Joined: 7/2/2007
Status: offline
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I am glad that you brought this up. I have had my H3 for about 2 weeks and I am sort of in shock. I was driving an SUV before that got about 18mpg so I was thinking that I would not be too far off from that number. I drive mostly city, but some highway to and from work. The gas is flying out of the tank and I feel like I am loosing half a tank just going to the store....ha,ha....I have filled up twice and I bought it with a full tank so I am getting a little scared. I normally fill up once a week (with a smaller tank). I am hoping for the same thing as you.....just need to get it broken in!
BTW.....to all....Thank you for sending me to Clarence at G-Style. I ordered the roof rack and the tire cover and he was so friendly and helpful!! Not to mention good prices!
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RE: Horrible gas mileage any reason? - 7/10/2007 8:25:03 PM
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blackstangs281
Posts: 6826
Joined: 11/13/2005
From: Pittsburgh PA
Status: offline
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11.2 BABY 
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RE: Horrible gas mileage any reason? - 7/10/2007 9:23:39 PM
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Shannon
Posts: 10
Joined: 7/2/2007
Status: offline
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Remember....I am the dumb blonde that knows nothing about cars, but I am trying to learn since I am so excited about the new Hummer.....female oh, course....
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RE: Horrible gas mileage any reason? - 7/11/2007 5:34:26 AM
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D VADER
Posts: 1191
Joined: 5/21/2007
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On a Trip last week from Central Ohio to Savannah GA and 2000 miles on my H3 I got 16.1 mpg. I plan to add a tune, CAI and exhaust in the near future and I'm hoping for improved mileage. Anybody do these 3 mods and can share your results?
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2007 H3X w/lux pkg, black on black, Starship from the "Dark Side"
Central Ohio
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RE: Horrible gas mileage any reason? - 7/11/2007 5:54:56 AM
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HummerGuy
Posts: 6684
Status: offline
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There are so many factors in judging mileage. Topping off is one of them, but also if you are on a level surface. You know how many gas stations there are out there where you truck is leaning or what not? That affects how much gas you can push in that tank also. My rule if I want to judge mileage is use the SAME pump for a few weeks, and once the handle stops, take it out. That way you know you are most likely getting the exact same amount of fuel in there every time. If you go to different stations that isn't going to work. You don't know what the threshold for the pump cut-off is at different stations, plust if your parked at an angle, there is going to be some air in the tank. I just think unless you have a digital system like the Cadi's have, you are never REALLY going to know and the best bet would be use the same pump all the time. Just my opinion.........
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RE: Horrible gas mileage any reason? - 7/11/2007 6:48:59 AM
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D VADER
Posts: 1191
Joined: 5/21/2007
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For what it's worth...an old trick was to bump the car with your butt several times to work out the any air bubbles in the tank.
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2007 H3X w/lux pkg, black on black, Starship from the "Dark Side"
Central Ohio
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