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Bad mileage what to check?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Baadboy11, Apr 28, 2011.

  1. Apr 28, 2011 at 12:48 PM
    #1
    Baadboy11

    Baadboy11 [OP] Well-Known Member

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    Lee's Summit, MO
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    07 DC SB Offroad 4x4, 6spd
    07 crew cab 4x4 offroad with the 6 spd trans. I've been getting a whopping 14.5 mpg lately babying it mixed city/highway. Tires are same size as stock, and no major mods. What can I check before I sell this thing for a full size that gets the same mileage :cool:

    Oh and if anyone else has the same specs (crew cab, 4x4 6spd) what mileage are you getting?

    I calculate by filling it up setting odo, then filling it up again and dividing miles by new gallons.

    Oh and just recently did 60k service all synthetic and stock spark plugs, didn't fix mileage.
     
  2. Apr 28, 2011 at 12:49 PM
    #2
    97yota4wd

    97yota4wd Well-Known Member

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    Mesa, AZ
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    alot of metal, small engine, decent travel.
    caged, camburg long travel, 50t leafpack (soon to be installed) light rack over cab, 5pt harnesses etc
    check the air pressure. i would keep it about 34-38 psi for your truck, spark plugs maybe? winter gas also gets worse gas mileage
     
  3. Apr 28, 2011 at 12:50 PM
    #3
    Baadboy11

    Baadboy11 [OP] Well-Known Member

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    Air pressure is around 38, new spark plugs.
     
  4. Apr 28, 2011 at 2:32 PM
    #4
    Snake~

    Snake~ Big Member

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    DFW
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    Autolumination Yellow fog light bulbs, Dynomax Ultra Flo muffler, AFE Pro Dry S air filter, tailgate security mods, TRD skid plate, DeeZee bed mat, Armor Lid tonneau, OEM roof rack, TRD center caps, Satoshi grille, Sockmonkey tailgate decal
    Did the fuel system get cleaned at the 60K service? Air filter OK? Do you fill your tank at the same station every time? Any extra weight in the bed?
     
  5. Apr 28, 2011 at 2:43 PM
    #5
    Jester243

    Jester243 ( ͡° ͜ʖ ͡°)

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    Spokane, WA
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    Lifetime LED 70W headlights 10-8-14 (set #2) Sylvania Silverstar fogs, front side windows tinted 27% to match the others, added Tacomaworld.com sticker, suspension TSB as of 7-21-09, Devil Horns by Andres, BFG's, Alpine with Bluetooth and Ipod contols, Rear view mirror relocation bracket, Ultragauge...
    Mix in a salad every once in a while :notsure:
     
  6. Apr 28, 2011 at 3:44 PM
    #6
    Baadboy11

    Baadboy11 [OP] Well-Known Member

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    07 DC SB Offroad 4x4, 6spd
    What do you mean clean the fuel system (so probably not). New air filter, different gas stations, and no extra weight in the bed except for some bungie cords.
     
  7. Apr 28, 2011 at 3:46 PM
    #7
    Nonfatwater7

    Nonfatwater7 Well-Known Member

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    Missoula, MT
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    Map Light mod, 265/70/17 BFG AT's, 5100's front set at .85, Eibach coils, Hi-lift bed rail mount, CB radio, Sway bar removed, 886 reverse light mod, LED tail lights and blinkers, Wickedflows exhaust, $4 aux/ipod input mod
    Too many TRD stiickers can add weight...
    just kidding, but I would love to hear the results on this
     
  8. Apr 28, 2011 at 4:01 PM
    #8
    Baadboy11

    Baadboy11 [OP] Well-Known Member

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    I thought they added 5-10 horsepower though?? :p
     
  9. Apr 28, 2011 at 4:05 PM
    #9
    08pretaco

    08pretaco Almost there

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    AFE pro dry s, Husky X-act Contour
    Have you kept up with the maintenance of the truck?
     
  10. Apr 28, 2011 at 4:13 PM
    #10
    A7XTaco

    A7XTaco Member

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    Plano, TX
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    60k miles?

    Clean or replace your mass airflow sensor.
     
  11. Apr 28, 2011 at 4:17 PM
    #11
    Baadboy11

    Baadboy11 [OP] Well-Known Member

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    Yep! like clockwork, always synthetic fluids!

    I'll grab some maf cleaner on my way home and give it a try, thanks.
     
  12. Apr 28, 2011 at 4:20 PM
    #12
    DriverSound

    DriverSound Señor Member

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    Just enough! Other vehicles: 2015 Mustang GTPP 2014 Prius 2010 4runner SR5 4x4 2009 TRD-OR AC
    First thing you should check is if you have a heavy foot.

    Bad driving habit can cause bad mileage.
     
  13. Apr 28, 2011 at 4:22 PM
    #13
    kieth

    kieth Well-Known Member

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    Full OME lift with Dakars, 886s and LR UCA's, Firestone air bags w\ onboard compressor, 2 kicker CVT 10" subs , MB Quart 1000w amp ,Alpine media player
    ive had a difference of 35 kms to a quarter tank to almost 120kms to a quarter tank just from filling up at different gas stations. theres some shitty ass gas out there
     
  14. Apr 28, 2011 at 4:24 PM
    #14
    A7XTaco

    A7XTaco Member

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    After I saw the difference in mileage cleaning the MAF made on my 06, I'm tempted to make it a every 15k mile service. (although that truck had 100k miles when I cleaned it).
     
  15. Apr 28, 2011 at 4:29 PM
    #15
    Baadboy11

    Baadboy11 [OP] Well-Known Member

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    Checked it, I've even reverted to coasting down hills, and driving like an old lady...no change in mileage.
     
  16. Apr 28, 2011 at 8:45 PM
    #16
    Azjohn

    Azjohn Well-Known Member

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    debadged
  17. Apr 28, 2011 at 9:39 PM
    #17
    Boost JuNkY

    Boost JuNkY Well-Known Member

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    Vancouver, BC
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    885's, OME Nitros, AP 3" leafs, DTLT's, Magnaflow Exhaust, TRD SS, AFE prodry S, URD Maf Cal, Exedy Clutch, URD TOB, Bhlm, AP winch bumper, Daystar 9" lights, OEM roof rack, Yakima fairing, Bed & rock lights, Sony Sub & Amp, 48" Hi Lift, 4X sliders,
    I get around 14mpg or less on my DC 6MT with 285s and heavy foot.
    If I drive easy mostly highway, I hit around 17-18mpg. Mostly on cruise control.
    Truck only has 45,000 KMS. Well maintained.
     
  18. Apr 28, 2011 at 9:43 PM
    #18
    McJosh

    McJosh avidoffroad.com

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    how'd you clean the MAF? just unplug it and spray with some cleaner and snap back into place?
     
  19. Apr 28, 2011 at 10:09 PM
    #19
    Baadboy11

    Baadboy11 [OP] Well-Known Member

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    There is a sticky for cleaning the throttle body and the maf.


    Any other ideas other then cleaning the MAF and throttle body?
     
  20. Apr 28, 2011 at 10:16 PM
    #20
    hardground

    hardground Well-Known Member

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    TRD Quickshifter, BlendMount, Front Mud Flaps Removed, 4x4 Illuminated Switch
    Question I have for you is what mpg were you getting before? I have a 2011 DC OR manual with 12k on it and am getting between 18 and 19 mpg now. At first I was getting on average 16 and my worst (second tank) was 14.5. Just calculated my last tank at 18.7 a couple hours ago and my best ever was 19.3. This is with 87.

    BUT.....this is what I had to change to get this type of mpg. First had to drop from 75 mph to 65 on the highway, this is an easy 2mpg change. Second (city driving) shift to 5th at 30 mph and 6th at 35 mph depending on terrain, this is a huge part of it with the manual since a lot of people just run the high rpm's in town. Third slow acceleration on all starts and highway ramps; shift quick and keep the rpm's down. Fourth shut the truck off as soon as you stop and don't start it up until you are going to move; use to let the truck run while parked, just a waste. Fifth, how many times do you turn the engine over per tank. Sixth, cruise control for people who do not know how to maintain a speed (which is most people sad to say) will help you to.

    So you know I fill my tank every other day, so I check this every other day.

    If you are doing all of this to a T and your mileage sucks then I have no idea. haha
     
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