01-19-2007, 11:01 PM
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#1
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3500 DONE!
Join Date: Apr 2006
Location: Albany, NY
Posts: 5,915
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Horrible Gas Mpg
damn, i am only getting about 160-170 mpg, after i fill up, my gas needle moves down a little after i go about 10-15 miles.
whats wrong???? is it cause its cold outside???
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2002 3400 & 3500 GL "Ruby"-->R.I.P. 163k. My first car. Put 130k on her.
2000 3500 GLS "Robin"-->Intake,Headers,Exhaust,H&R springs,KYB AGX,Sway bars,Strut bars and more
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01-20-2007, 12:01 AM
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#2
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GL Member
Join Date: Jun 2006
Location: Decatur,IL
Posts: 362
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im only gettin 15 mpg
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1999 Oldsmobile alero 3400 sfi
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01-20-2007, 12:02 AM
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#3
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V.I.P. Member
Join Date: Jan 2004
Location: northern wisconsin
Posts: 2,428
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i have a 2.4 and i get about 300 miles per tank... i used to get 400... my mom has a 3.4 and gets better milage than i do
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01-20-2007, 12:14 AM
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#4
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GL Member
Join Date: Aug 2006
Location: Central PA
Posts: 240
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What kind of mods do you have?? One factor might be where you buy your gas... I noticed a change in gas mileage after I put my CAI on. I can drive a week without running the rpms over 3000 and still only get about 250-275 miles on a tank, and thats using over 13 gallons. I used to get 350-400 miles when it was stock. Winter definetly has an affect on me because of my CAI. My friend lost 100 miles to a tank in his impala with just a CAI and exhaust...dont know how he drove it after he got the mods done though
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01-20-2007, 12:15 AM
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#5
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GL Member
Join Date: Aug 2006
Location: Central PA
Posts: 240
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to your extreme tho, sounds like you need to get it looked at...
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01-20-2007, 12:22 AM
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#6
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GX Member
Join Date: Oct 2006
Location: Rochester
Posts: 91
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Change your oil, that will make a difference, check the level too while your at it. Tire pressure all around is key. Make sure your air filter can breathe. Tansmisson flush and engine fluch would be helpful. Top it off with some fuel injector cleaner and you'll be set brotha.
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01-20-2007, 01:51 AM
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#7
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GLS member
Join Date: Jul 2006
Location: wisconsin
Posts: 2,733
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About a week before I crashed mine it seemed to be sucking a little more gas than usual. I thought I was being paranoid but it could be something with the cold perhaps.
I guess that wasn't much help, haha.
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01-20-2007, 10:10 AM
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#8
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,876
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Quote:
Originally Posted by billytheman1188
damn, i am only getting about 160-170 mpg
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Hmm.. I only get like 20 mpg.
I get 200-250 mptank though, but then again I fill up when it gets down to 1/4.
Last edited by [ion] C2 : 01-20-2007 at 11:44 AM.
Reason: made Billy's MPG more visible
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01-20-2007, 10:58 AM
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#9
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GLS member
Join Date: Aug 2006
Location: Grand Forks, ND for school; Langdon, ND home
Posts: 2,632
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i don't get very good mileage either with the 2.4. about 16-17 around town. but your gas gauge could also be screwed up like mine. i can run with the neddle below empty for a couple of weeks.
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2001½ F150 XLT Crew Cab- true dual glasspacks with x-pipe, AEM intake, SCT X3 with VMP custom tunes, full stereo system, HID 55w heads and 35w fogs, 35% tint front and 20% rear, Lightning tail lights
04 F6 Sno Pro Team edition- MBRP race can, ODS clutch kit
01 YZ125- bored out to 144, PnP cylinder and head, Pro Circuit WORKS suspension, many other mods
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01-20-2007, 11:32 AM
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#10
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GL Member
Join Date: Apr 2005
Location: London, Ontario, Canada
Posts: 762
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Well I'm getting 24 mpg this time around in the winter. Even if it is city driving, I get about the same amount. I have a 2002 Ecotec.
Oil change could be key, tune up, emmission service, etc. Stuff like that can hamper mileage.
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2004 Pontiac Grand Prix GTP CompG -- Supercharged 3800 V6
??,??? km
??,??? miles
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01-20-2007, 11:40 AM
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#11
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AutoCross Alero
Join Date: Nov 2003
Location: South Texas
Posts: 2,759
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I get 19 consistantly, and i run it hard, powertuner is helping mileage a bit. have you checked your fuel filter? i change mine every 10 to 15000 miles. and run a can of seafoam on your next fill up.
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01-20-2007, 03:51 PM
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#13
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Aleromod part owner
Join Date: Nov 2003
Location: Far Northeast Philadelphia, PA
Posts: 18,199
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Na it's the blue paint under the hood
How cold is it there? Sometimes cars do this when the weather is below 15* My Cougar only got 10 MPG in that kind of weather, but when it went back up to 35*, it got nomral MPG.
__________________
33% ALEROMOD OWNER!!
2000 Olds Alero 3400 SFI 14.53 @ 94.93
1985 Olds Delta 88 307 SBO 17.96 @ 76.99
2007 Volvo V50 T5 6M 15.782 @ 89.12
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01-20-2007, 04:25 PM
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#14
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GL Member
Join Date: Nov 2006
Location: jamestown NY
Posts: 670
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i fill up when the light comes on...only get about 200miles per tank, no mods
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01-20-2007, 05:05 PM
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#15
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3500 DONE!
Join Date: Apr 2006
Location: Albany, NY
Posts: 5,915
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its about 15-20 degrees here.
i actually just put fuel injector cleaner in the other day.
would it work if i changed the CAI to a WAI
__________________
2002 3400 & 3500 GL "Ruby"-->R.I.P. 163k. My first car. Put 130k on her.
2000 3500 GLS "Robin"-->Intake,Headers,Exhaust,H&R springs,KYB AGX,Sway bars,Strut bars and more
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01-20-2007, 05:09 PM
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#16
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GL Member
Join Date: Nov 2006
Location: jamestown NY
Posts: 670
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im going to buy some new spark plugs in a little bit and use fuel cleaner stuff and fill up, ill let you no if i get any better millage that way
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01-20-2007, 06:12 PM
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#17
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Quote:
Originally Posted by J-Henry
Change your front and rear O2 sensors.
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01-20-2007, 06:21 PM
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#18
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V.I.P. Member
Join Date: Mar 2005
Location: Picton, ON, CA
Posts: 476
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Check your tire pressure it will drop in the cold temps.. The fuel that you buy in winter has more additives so it doesn't freeze up. These hurt mileage.
__________________
What a great damn day, I can walk!
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01-20-2007, 07:40 PM
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#19
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VIP
Join Date: Apr 2005
Location: Leesburg, GA
Posts: 657
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Lately Ive been having problems with MPG also... I drive to work whicch is 13 miles to and 13 miles from when I get home I will have used a lil less the 1/4 of a tank...
__________________
Gunnery Sergeant Hartman: "I'm going to rip your balls off, so you cannot contaminate the rest of the world."
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01-20-2007, 07:57 PM
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#20
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maybe this will work-
CHANG YOUR O2 SENSORS!!
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