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Big reduction in gas mileage.....

Discussion in 'Performance and Tuning' started by Rumsoaker, Mar 22, 2013.

  1. Mar 22, 2013 at 3:37 PM
    #1
    Rumsoaker

    Rumsoaker [OP] New Member

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    Appalachia's biggest city
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    '03 SR5 4X4 TRD pkg
    ....my '03 Tacoma (v6, extended cab, auto, 4X4) has recently been getting MUCH worse than normal gas mileage. While I have yet to "measure" the exact drop in mileage, I have noticed that on two highway trips that normally take me just over 1/4 tank are now taking me a solid 1/2 tank to complete.
    I am a lead foot and have some oversized off road tires (32" Cooper STT's) hitting the pavement. They are inflated properly and checked before each trip.
    Truck has 108k on the odometer and no known mechanical issues.

    Any ideas on the sudden drop in mileage?

    The mileage drop has just recently occurred in the last 3 months or so. I take these trips every few weeks or so and always have since I bought the truck new in 2003. The mileage has never been this bad.

    Any ideas??

    Thanks,
    Rumsoaker
     
  2. Mar 22, 2013 at 3:44 PM
    #2
    SoCaltaco65

    SoCaltaco65 Well-Known Member

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    Harbor Freight 110v welder garage fab parts.
    Welcome to TW, when was the last time you had a tune up? ( new plugs)
     
  3. Mar 22, 2013 at 3:48 PM
    #3
    Millertime187

    Millertime187 I'll be your huckleberry!

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    That's where I'd start!
     
  4. Mar 22, 2013 at 3:52 PM
    #4
    VirginiaBound

    VirginiaBound Whyareyoureadingthis?

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    Sam I am, green eggs and ham
    North of Maine, South of Spain
    What kind of mileage are you getting?
     
  5. Mar 22, 2013 at 7:18 PM
    #5
    bubba353z

    bubba353z Titles? We don't need no stinkin' titles.

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    Columbus, Oh
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    Winter gas?
     
  6. Mar 22, 2013 at 8:05 PM
    #6
    worthywads

    worthywads Well-Known Member

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    o2 sensor?
     
  7. Mar 23, 2013 at 10:49 PM
    #7
    davidjmay

    davidjmay Well-Known Member

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    Winter gas-- im hoping. Mine has been doing the same thing
     
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