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NEED HELP!!!! My Tacos Drinking gas like crazy

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Fireman610, Mar 31, 2011.

  1. Mar 31, 2011 at 10:20 AM
    #1
    Fireman610

    Fireman610 [OP] Well-Known Member

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    I got a 2007 Dbl Cab 4x4 4.0 6 cyl TRD back in Jan. the current Mi as of today is 56,320 it has BF Goodrich Rugged Trail T/A 265/70/16's on it. No big mods just NFAB Bars.The first tank was poor milage 260 mi to the whole tank.. I took it as shitty gas from the dealer, Second tank not much better and so on and so on. My last three tanks have been in the 230-260 range. So I took some of you guys tutorials and went to work ... I replaced my plugs w Denso Iridum Plugs Cleaned the MAF Throttle body and replaced the cheap ass air filter w a K&N ..... Still not doing any better since the changes. Im at my wits end trying to figure this out, Ive been driving like an egg is under my accelerator pedal using common sense and really putting fourth some effort in fuel conservation w my driving habits.
    Only other thing I can think of is maybe a slight exhaust leak thats causing shitty milage Can you gents help me out PLEASE.. My next step is to take it to the dealership and say heres my ext warrenty look at this stuboorn ass thing and get me atleast 16-18 city. I hear of guys getting 300-320 + mi to a tank of gas and Im feeling a lil jealous here
     
  2. Mar 31, 2011 at 10:28 AM
    #2
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the old Taco's.... new Tundra is pretty stock
    Looks like you've done the maintenance, so what tire pressure do you run?
     
  3. Mar 31, 2011 at 10:41 AM
    #3
    Manwithoutaplan

    Manwithoutaplan the full Monty

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    you might want to try Lucas Fuel injector cleaner to maybe see if that helps. Are you doing alot of Stop and go??? Because with my truck lifted on 35's on stock gears i can pull out like 280 or 290 once in while 300. Like relentless said maybe look at your air pressure.
     
  4. Mar 31, 2011 at 10:47 AM
    #4
    showmeballer

    showmeballer Well-Known Member

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    Wow, that is some shitty mileage. One thing for sure that isn't helping you is the winter gas, you will get less mileage than with summer gas blends.

    Also, how many gallons are you putting into the tank when you say the whole tank?

    I would definitely take it in if it continues for much longer as I've never had below 16 city in mine. Good Luck
     
  5. Mar 31, 2011 at 10:47 AM
    #5
    bjmoose

    bjmoose Bullwinkle J. Moose

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    First thing you need is hard data.

    Zero your odometer at fill up then at next fill up divide miles driven by gallons put into the tank.
     
  6. Mar 31, 2011 at 10:52 AM
    #6
    maineah

    maineah Well-Known Member

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    How fast do you drive? that makes a huge difference I'm up to about 21 all around driving with my 2011 V6 6 spd. Have about 345 right now and the light just came on. I don't think your tires are helping you much either regular road tires have a lot less rolling resistance.
     
  7. Mar 31, 2011 at 11:19 AM
    #7
    Fireman610

    Fireman610 [OP] Well-Known Member

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    Showme- When I fill it up I fill it up usually the needle is just a hair past the F on the gauge

    BJ- I zero the odometer everytime I fill up Ive been keeping track of this for about a month and a half- 2 mo and consistently coming up w the same ballpark numbers nothing about 260 mi to a tank

    Relentless-All four tires are in the 35-37 lb range

    Anymore advice? Im willing to try anything. Looking at my lil books my 07 Tacoma is currently getting worse milage than my Old '02 S-10 Crew Cab 4wd w 4.3 vortec in it that had 120K on it!!!!!:confused:
     
  8. Mar 31, 2011 at 11:59 AM
    #8
    tonto340

    tonto340 Well-Known Member

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    The iridium plugs cause some MPG loss according to other on this forum. I put iridium in mine and noticed a 1-2 mpg loss.
     
  9. Mar 31, 2011 at 12:10 PM
    #9
    Krackalacka

    Krackalacka Well-Known Member

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    Try mid-grade or premium.

    I have on mine and it increased by 2-4 mpg on average and you don't spend that much more.
     
  10. Mar 31, 2011 at 12:11 PM
    #10
    Rocko

    Rocko Active Member

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    Fuel system cleaner. Techron, Redline, ect.
     
  11. Mar 31, 2011 at 12:27 PM
    #11
    resq330

    resq330 El' Capi-Tan

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  12. Mar 31, 2011 at 12:33 PM
    #12
    Tacoma831

    Tacoma831 Member

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    I get the same mileage as the OP and I thought it was somewhat normal. I have only broken 300 miles on a tank once and it was all freeway miles. I have about 36K on my truck. I do have a 6spd and a camper shell with 285/75/16 tires so that hurts the mileage already. Its getting pretty expensive to drive with the gas prices going up.
     
  13. Mar 31, 2011 at 12:36 PM
    #13
    toytacoma22

    toytacoma22 Well-Known Member

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    Maybe a bad O2 sensor?
     
  14. Mar 31, 2011 at 12:38 PM
    #14
    Morrison

    Morrison BIG RED

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    I just got my new lift and tires yesterday, and I zeroed my odometer out when I filled up yesterday so I'm about to find out how many miles to a tank I'm getting, it was about 17 before the lift on some 32" A/Ts
     
  15. Mar 31, 2011 at 12:44 PM
    #15
    wyotaco06

    wyotaco06 Well-Known Member

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    X2....
     
  16. Mar 31, 2011 at 12:50 PM
    #16
    showmeballer

    showmeballer Well-Known Member

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    What I meant was, are you actually running it all the way to the bottom of the tank(shouldn't do it anyway). If you are filling up at the 1/4 tank mark you will have like 7-8 gallons left. When the gas light comes on in mine I still have 3-4 gallons or so until it's actually out of gas.

    I zero my odo every time I fill up and hand calculate each tank. I have a 100% stock 2008 4x4 Access Cab Offroad package 4.0 and the only time my MPGs go down is in the winter because of the gas, at least a 1-2mpg loss compared to the summer.

    I run Mobil1 synthetic and every 6-7 tanks or so I put in premium or use Techron, Seafoam, or B12 and I've never been below 16 in 4 years with mine. I do notice a 1mpg bump when I use premium gas as well.

    Hope you get it sorted it out. :)
     
  17. Mar 31, 2011 at 2:13 PM
    #17
    joerussell610

    joerussell610 When all else fails read the directions

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  18. Mar 31, 2011 at 2:24 PM
    #18
    BlueSteel

    BlueSteel Well-Known Member

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    Was the truck ever regeared by the last owner, because you got it used right?
     
  19. Mar 31, 2011 at 2:37 PM
    #19
    Superx2

    Superx2 Well-Known Member

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    alot of my driving is in town. iget about the same mileage...sometimes if that. if your getting that on the highway, then yah somthings wrong. if your in town, id say thats normal. i also started to run 87, this will be my second tank. (with 87) on the high way i get 18 mpg. in town sucks, but it is still better than my old truck.
     
  20. Mar 31, 2011 at 3:17 PM
    #20
    tombiosis

    tombiosis Well-Known Member

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    that's about what I get ...about 400-430km's (260)...mostly city...shitty winter gas...I'm hoping it improves this summer
     
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