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06-07-2011, 02:13 AM
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Hummer Veteran
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Join Date: Apr 2011
Posts: 44
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Instantaneous Fuel Economy
I was going through the service manual (trying to track my A/C leak) and noticed that the truck has Instantaneous Fuel Economy display. For the life of me I can not find it. I have the average, time, fuel used, etc... but NO Instantaneous Fuel Economy. Was this year specific? Mine is a 05.
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06-07-2011, 03:38 AM
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Hummer Veteran
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Join Date: Oct 2010
Posts: 117
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Re: Instantaneous Fuel Economy
i dont know of that display but if you look at the Average MPG and hold the reset button it will tell you your current mpg.
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06-07-2011, 04:33 AM
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Hummer Professional
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Join Date: Sep 2008
Location: Utah
Posts: 293
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Re: Instantaneous Fuel Economy
Should be in there as I do not believe they changed anything from the '03 -'05. I could be wrong though, but it should be in there in the same section as the average fuel economy when hitting the button with the little gas pump on it.
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Sweet looking H2 with not enough mods (2003 Pewter H2, 20" Rockstars, 40"x15.5" Toyo MT's, E&G Extended Flares, Full body tube steel exoskeleton, 5" Skyjacker lift, Amp Research steps, Gobi Roofrack and ladders, Smoked LED's, AFe CAI, Dynatech long tubes and cats, Magnaflow exhaust, Stock tune, 4.88 gears, Chrome Grenade Shifter, interior blacked out, rear captains chairs, Solar Power!!)
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06-10-2011, 06:39 AM
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Hummer Professional
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Join Date: Nov 2009
Location: Windermere, FL
Posts: 297
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Re: Instantaneous Fuel Economy
Don't have this on my 2005.
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White 2005 SUT, Lifted 7.5" via Fabtech/custom work, Fabtech Dirt Logic 2.25 shocks, 40x15.5x22 Toyo's, black 22" Fuel wheels, 4.88 gears, Dynatech long tube headers, Magnaflow exhaust, Air-raid intake, Superchips programmer, Edlebrock panhard bar, Cognito UCA's, Kryptonite tie rods, Cognito pitman/idlar arm gussets, Hotchkis swaybars and trailing arms, Amp Research steps, E&G fender flares, PIAA SMR's, smoked roof lights (bulbs removed), black suede headliner, 13" JL's under seat
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06-10-2011, 02:55 PM
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Hummer Professional
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Join Date: Jan 2008
Location: Meadville, PA
Posts: 339
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Re: Instantaneous Fuel Economy
I had this in an 03 but not in my 05. I asked the dealer and they said they took it out after 03 because people were complaining about seeing 1 mpg when they floored it. So they just made it avg to ease the critics.
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06-10-2011, 04:54 PM
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Hummer Authority
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Join Date: Apr 2003
Location: Las Vegas
Posts: 1,819
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Re: Instantaneous Fuel Economy
I have it in my 04
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... Teh black won't get you back
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06-10-2011, 11:10 PM
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Hummer Veteran
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Join Date: Nov 2009
Location: Georgia
Posts: 85
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Re: Instantaneous Fuel Economy
Quote:
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Originally Posted by NJ H2
I have it in my 04
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Ditto 
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2004 Black H2
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06-10-2011, 11:25 PM
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Hummer Veteran
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Join Date: Apr 2011
Posts: 44
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Re: Instantaneous Fuel Economy
I guess its just like the cabin air filters. Earlier models have it and older ones don't. Funny, never thought about the customers complaining about the 1 MPG 
Seems like 05 they did away with it. I wonder if the 08+ models have it. |
06-11-2011, 02:39 PM
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Hummer Veteran
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Join Date: Dec 2010
Posts: 154
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Re: Instantaneous Fuel Economy
I have it in my 04 as well.
I wouldnt miss it if I didnt have it, nothing like watching you mpg drop to 4 or 5 when passing someone!!
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06-13-2011, 12:57 PM
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Hummer Expert
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Join Date: Jun 2008
Location: New York
Posts: 524
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Re: Instantaneous Fuel Economy
Yep, that feature was discontinued on the last few late production 04s, never to be seen again. There's a short blurb on this in the model differences link online. I was also told by my dealer in 06 they upgraded the logic in the mpg computer to give slightly better mpgs and many called it the lie-o-meter in 06 and on. When I took the tour through the plant in Mishawaka, an engineer confirmed that for me. In the old days if you had an H2 they treated you like royalty on that plant tour.
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Hummer, like nothing else
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02-24-2014, 06:51 PM
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Hummer Veteran
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Join Date: Jan 2012
Location: Michigan
Posts: 30
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Re: Instantaneous Fuel Economy
My 2008 H2 does not have this. I just push the clear button when it is displaying avg and get a snapshot of it.
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02-24-2014, 07:59 PM
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Moderator
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Join Date: Jan 2012
Posts: 728
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Re: Instantaneous Fuel Economy
Not trying to be rude, but you know this is a 2.5 year old dead thread?
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'03 H2 (name: Big Gulp)
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