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Scraped bottom on a speed bump - now MPG is suffering.

Discussion in '2nd Gen. Tacomas' started by wh013mi1k, Oct 11, 2012.

  1. Oct 11, 2012 at 12:12 PM
    #41
    Utard

    Utard Well-Known Member

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    Yep mud flap then winter fuel.
     
  2. Oct 19, 2012 at 8:35 AM
    #42
    wh013mi1k

    wh013mi1k [OP] Well-Known Member

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    So quick update - I finally finished up the tank of the "winter blend" and decided to put in a tank of 91 due to some reading on this forum. I have only used 87 for the 2 months I've owned it - but noticed something peculiar....

    Ever since I bought it new 2 months ago I've noticed that my second gear (auto tran) hits hard and has noticeable shudder between 15-20mph - nothing that made me think something was wrong, but it definitely got my attention.

    HOWEVER, with this new tank of 91 octane the shudder going into 2nd gear between 15-20 mph is completely gone. Not even the slightest jiggle.

    Does this even make sense?
     
  3. Oct 19, 2012 at 8:48 AM
    #43
    The Phoenix

    The Phoenix Member

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    It doesn't sound like it makes sense, but the engine timing may change a little bit depending on the fuel you put in it. Possible maybe that the programming flows through to the transmission behavior?
     
  4. Oct 19, 2012 at 9:09 AM
    #44
    Gotcha88

    Gotcha88 Well-Known Member

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  5. Oct 20, 2012 at 12:28 PM
    #45
    sde780

    sde780 Well-Known Member

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    My dad's 2012 DLB jerks into 2nd gear as well, I just thought its how the truck drives. Tried 93 octane once and got 13 mpg vs the regular 16-17 in town so I stick with 87 now
     
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