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11-05-2008, 10:58 PM
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Hummer Professional
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Join Date: Feb 2006
Posts: 368
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Re: Fuel Filters? Loss of power...supercharger
Anyone?
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2006 Hummer H2 Lux Series
www.JohnHasMoreFun.com
1/4 Mile 15.29@91.34mph
Mods:
Magnusun Radix Supercharger!!!
Switch to allow full Nav Controls while moving
Warn 9.5 Winch
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11-06-2008, 10:25 AM
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Hummer Authority
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Join Date: Nov 2004
Location: Little Rock, Arkansas
Posts: 1,784
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Re: Fuel Filters? Loss of power...supercharger
I thought there was another filter. The sock in the tank is really to prevent large trash from getting into the system. I want to say the filter should be along the fame rail on passenger side.
It has been a while and memory may be tricking me but, do not think so. Maybe someone else will recall if not check to be safe or just give service manager a call and he should help.
Sorry I can't be more positive but, wanted to try and help if I could.
TAZ
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05 H2 SUV cus. paint, Magnuson SC 6/12lb boost, cowl hood scoop, 12" dash touchscreen, GM elec. fans, HPTuners.com tuning soft., Dynatech headers dual catback exhaust Jet Hot chrome front to back Flowmaster Super 40's, Diamo 8 Karat rims & 325X60-20" Toyo, 4 OEM Captain seats Katzkins leather, rear console computer inside running all AV/NAV etc., Infinity component system 3 amps Tsunami Caps, rear flip down 12" monitor, headrest monitors, overhead console boost, fuel pressure, & A/F ratio gauges
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11-06-2008, 02:27 PM
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Hummer Professional
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Join Date: Aug 2007
Location: Bartlett, Illinois
Posts: 486
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Re: Fuel Filters? Loss of power...supercharger
There should definately be a filter in line somewhere..... keep in mind if you are having a fueling issue that driving aggressive will exponentially increase your change of melting a piston due to leaning out. Until you figure out your issue I would strongly suggest driving it easy.
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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
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11-06-2008, 04:03 PM
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Hummer Veteran
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Join Date: Mar 2005
Location: East Setauket
Posts: 134
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Re: Fuel Filters? Loss of power...supercharger
There is a fuel filter mounted to the front of the fuel tank on the drivers side. At least thats where it is on my 03.
__________________
"A clear conscience is usually the sign of a bad memory."
03 White H2
12 HID lights, factory lightbar, custom light bar for brush guard, OEM luggage rack, k&n intake, Gran MAF, 37" Toyo M/T's, 17x12 weld racing wheels, predator programer, Dynomax 4" catback exhaust,
02 10th Anniversary H1 #44 Will be missed 
94 Custom pearl white H1(work in progress)
Too many mods to list
06 kawasaki stx-15f
02 yamaha superjet
02 polaris scrambler 500
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11-06-2008, 04:38 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: Fuel Filters? Loss of power...supercharger
GM lists FF864 as the only fuel filter for a 2003 and 2004 H2. It's the in tank unit and they don't list any other fuel filter at all. They don't even list one for 2005 on up. I was on the line with my Hummer dealership this morning ordering a lug nut and the parts guy said there is a special tool you can order from GM for changing the in tank filter more easily.
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Hummer, like nothing else
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11-06-2008, 08:14 PM
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Hummer Professional
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Join Date: Feb 2006
Posts: 368
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Re: Fuel Filters? Loss of power...supercharger
They changed the fuel system in the later H2's. I remember when installing the SC the parts were different from newer to the older. Im sure im on the newer fuel system.
Yea, i was figuring the sock was just to stop large debris....cant imagine that would be the only filter.
Im not running real lean, im figuring this since the thing doesnt ping....and I run 85 or 87 octane (Always have).
The real question here is, would I notice a power loss if i had a clugged injector or would I notice lean behavior such as pinging...? Im sure someone on here thats ran lean can let me know the answer.
--John
__________________
2006 Hummer H2 Lux Series
www.JohnHasMoreFun.com
1/4 Mile 15.29@91.34mph
Mods:
Magnusun Radix Supercharger!!!
Switch to allow full Nav Controls while moving
Warn 9.5 Winch
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11-06-2008, 09:50 PM
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Hummer Veteran
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Join Date: Mar 2005
Location: East Setauket
Posts: 134
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Re: Fuel Filters? Loss of power...supercharger
Thats wierd cause i just replaced mine not too long ago. Heres a picture you can only see one of the lines cause both lines run right behind one another. This is the part number i got: AHG9344
__________________
"A clear conscience is usually the sign of a bad memory."
03 White H2
12 HID lights, factory lightbar, custom light bar for brush guard, OEM luggage rack, k&n intake, Gran MAF, 37" Toyo M/T's, 17x12 weld racing wheels, predator programer, Dynomax 4" catback exhaust,
02 10th Anniversary H1 #44 Will be missed
94 Custom pearl white H1(work in progress)
Too many mods to list
06 kawasaki stx-15f
02 yamaha superjet
02 polaris scrambler 500
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