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bad gas mileage

Discussion in '1st Gen. Tacomas (1995-2004)' started by petrov72, Mar 17, 2012.

  1. Mar 17, 2012 at 9:24 PM
    #1
    petrov72

    petrov72 [OP] New Member

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    Hello to everyone!
    I just sold my Frontier Crew Cab v6 and get a 2003 Tacoma 2.4l , regular cab to make better gas mileage. After the second tank with the small Tacoma I am not happy with the results. 190-200 ml in the city(15mpg), and 18-19 on the freeway. There is nothing wrong whith it, works good looks good. I got almost same as Frontier, exept the week engine, small cab, and ... I do not no if this is normal but, is there something that I can do to improve the mpg??
     
  2. Mar 17, 2012 at 10:07 PM
    #2
    Yamaha Dave

    Yamaha Dave Well-Known Member

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    You do realize that the highest EPA MPG estimate on a 2003 Tacoma 2.4l mileage is est. 17/20 mpg? Did you not research this before you bought the truck?
     
  3. Mar 17, 2012 at 11:27 PM
    #3
    Blackdawg

    Blackdawg Dr. Frankenstein

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    could be worse..i get 10mpg with my V6 and 33'' tires..
     
  4. Mar 18, 2012 at 6:23 AM
    #4
    TacomaJPP

    TacomaJPP To secure peace, is to prepare for war

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    When I had my 97 2.7, with 32x11.50's, I got about 22-23 MPGs.

    Have you tuned it up?

    Fuel filter, plugs, wires, PCV, air filter, tire pressure, TB cleaning, etc?
     
  5. Mar 18, 2012 at 6:32 AM
    #5
    RAT PRODUCTS

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    View the build. Too much to list.
    Actually it's 20/25 mpg. So he isn't even in the ballpark. Definitely needs a tuneup.

    My 96 2.4l got a consistent 25-26 mpg.
     
  6. Mar 18, 2012 at 9:45 AM
    #6
    Cvd2312

    Cvd2312 Well-Known Member

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    Wow really? 10 mpg? That's pretty damn bad, even with 33's
     
  7. Mar 18, 2012 at 10:21 AM
    #7
    petrov72

    petrov72 [OP] New Member

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    Thanks for help! I have not done enithing on it yet. I am going to.
    I did, fueleconomy Tacoma 2003 2.4l, 2wd, automatic trans. 19/23/21 mpg.
    What mpg you get with the same engine? The car has 80K on it. I push it to match may be.
     
  8. Mar 18, 2012 at 11:14 AM
    #8
    Blackdawg

    Blackdawg Dr. Frankenstein

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    BFG KM2 33x12.5 tires, Wheelers Type B rims, Allpro 1.5'' Wheel spacers w/extended thread lug nuts 2 Alpine 10'' Type Xs 2 Kicker 6X9s 4 Sony 5 1/4s Pioneer 4100 HU Sway bar removed 4 Hella 500 HIDs Frankenstein Leaf packs 1'' lift shackles Eibach coils 5100s front 10'' 5150s rear BAMF BPV bracket Deckplate mod Elite Front bumper Magnaflow 14'' muffler Elite Off Road Rear bumper with Tire gate with jerry can and fold down table, BAMF sliders, Custom Homemade Bed, rack/roof rack, CVT Mt. Shasta Roof Top Tent, 20lb CO2 tank, BAMF diff skid custom front skid, GM CS144 140 amp alternator Blitzpro 21s HAWK side LEDs Blitzpro Custom made side mirror lights, LightForce 240 Blitz llights, Piaa 510 ION fogs, XRC8 Winch w/in cab controls,
    nah, pretty normal actually for 33x12.5s. all city driving tho too.
     
  9. Mar 18, 2012 at 11:21 AM
    #9
    garrettnb

    garrettnb Canadian Ambassador

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    "Originally Posted by Cvd2312
    Wow really? 10 mpg? That's pretty damn bad, even with 33's
    nah, pretty normal actually for 33x12.5s. all city driving tho too."

    I ride on 33x12.5 on a 4 inch lift all. Ity driving and I get around 15mpg. You should look into something going on.
     
  10. Mar 18, 2012 at 11:25 AM
    #10
    Blackdawg

    Blackdawg Dr. Frankenstein

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    BFG KM2 33x12.5 tires, Wheelers Type B rims, Allpro 1.5'' Wheel spacers w/extended thread lug nuts 2 Alpine 10'' Type Xs 2 Kicker 6X9s 4 Sony 5 1/4s Pioneer 4100 HU Sway bar removed 4 Hella 500 HIDs Frankenstein Leaf packs 1'' lift shackles Eibach coils 5100s front 10'' 5150s rear BAMF BPV bracket Deckplate mod Elite Front bumper Magnaflow 14'' muffler Elite Off Road Rear bumper with Tire gate with jerry can and fold down table, BAMF sliders, Custom Homemade Bed, rack/roof rack, CVT Mt. Shasta Roof Top Tent, 20lb CO2 tank, BAMF diff skid custom front skid, GM CS144 140 amp alternator Blitzpro 21s HAWK side LEDs Blitzpro Custom made side mirror lights, LightForce 240 Blitz llights, Piaa 510 ION fogs, XRC8 Winch w/in cab controls,
    Im not too worried. Know several members in the same boat. Could be tons of things. I have already done lots of the tuning stuff. Fuel filter is next, thats it tho.
     
  11. Mar 19, 2012 at 6:57 AM
    #11
    Yamaha Dave

    Yamaha Dave Well-Known Member

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    Actually we're both right.


    20/25 is for 2WD, manual 5-speed, 2.4L


    17/20 is for 4WD, auto, 2.4L
     
  12. Mar 19, 2012 at 8:41 AM
    #12
    TacoMX

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    My 2.7 w/ 33's and stock gears (4.10s) gets 17-18 in the city :p:p:p:p:p I get around 22 on the highway. But that is driving SUPER conservatively. IE..shifting at 2k or under, using 5th gear in 40mph+, down shifting everywhere to cut off the injectors, and keeping highway speeds to no faster than 65 mph.

    You just dont know how to drive :D:D




    To the OP: Just tune up the truck; plugs, wires, airfilter, clean MAF, fuel filter, and maybe clean the throttle body....then you will be back up to normal mileage


    fixed
     
  13. Mar 19, 2012 at 8:43 AM
    #13
    Blackdawg

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    BFG KM2 33x12.5 tires, Wheelers Type B rims, Allpro 1.5'' Wheel spacers w/extended thread lug nuts 2 Alpine 10'' Type Xs 2 Kicker 6X9s 4 Sony 5 1/4s Pioneer 4100 HU Sway bar removed 4 Hella 500 HIDs Frankenstein Leaf packs 1'' lift shackles Eibach coils 5100s front 10'' 5150s rear BAMF BPV bracket Deckplate mod Elite Front bumper Magnaflow 14'' muffler Elite Off Road Rear bumper with Tire gate with jerry can and fold down table, BAMF sliders, Custom Homemade Bed, rack/roof rack, CVT Mt. Shasta Roof Top Tent, 20lb CO2 tank, BAMF diff skid custom front skid, GM CS144 140 amp alternator Blitzpro 21s HAWK side LEDs Blitzpro Custom made side mirror lights, LightForce 240 Blitz llights, Piaa 510 ION fogs, XRC8 Winch w/in cab controls,
    Hey! I tried a whole tank under 2k just like you said..nothing..

    so..ive gone back to me street driver ways :D haha
     
  14. Mar 19, 2012 at 8:45 AM
    #14
    TacoMX

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    well then your truck is fucked up :D:D

    have you tried cleaning the throttle body and such? Doing everything that I have listed in my previous post got me from 14mpg to 17-18mpg.
     
  15. Mar 19, 2012 at 8:46 AM
    #15
    Blackdawg

    Blackdawg Dr. Frankenstein

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    everything but the TB and Fuel filter.

    getting the Filter done here this week tho i think.

    was getting 17-18 city and 19-22 hwy with my 31s lol
     
  16. Mar 19, 2012 at 5:33 PM
    #16
    TacoMX

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    hmmm...clean your TB for sure. I promise it will help :cool:

    And check your exhaust mani's for cracks.

    An exhaust leak that close to your motor can kill mileage and power.
     
  17. Apr 2, 2012 at 12:56 PM
    #17
    tmt411

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    I have heard ( and this could be BS) that Toyota fuel filter are desinged to never need replacment. My Cousin has a 2000 Tundra and had the dealer do a bunch of repairs one of them was wanting the FF replaced. The Toy Tech said there is no need but my Cuz insisted on replacemnet 3 weeks later he needed new injectors. Any body hear of this ?:cool:
     
  18. Apr 2, 2012 at 1:58 PM
    #18
    TacoMX

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    I have heard of that, but idk...its a cheap filter...worth it to replace it.

    And the injectors going bad afterwards...totally unrelated..how could replacing a filter that will allow a cleaner supply of fuel be fed hurt anything?
     
  19. Jun 8, 2014 at 7:33 PM
    #19
    austynstaco

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    Bad O2 sensor got me about 9 mpg Yay hah just replaced took a long time for the engine light to come on mpg went from about 20 to 13 to 9
     
  20. Jun 26, 2014 at 8:06 AM
    #20
    JAGER91374

    JAGER91374 Well-Known Member

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    Look at the front O2 sensor. When mine went bad it caused poor mileage and a check engine light with a PO420 error. Noting actually pointed at the front O2 sensor.

    When this was bad I was getting 10-11 MPG in mixed driving. After replacement the mileage was back to 18-19.
     
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