Erratic mpg

Discussion in '2016 + Toyota Tacoma' started by TacoRick, Apr 28, 2016.

  1. TacoRick

    TacoRick Well-Known Member

    Lately my mpg has been all over the place. The same trip will be around 18 mpg one day, and 14 the next day, despite the same driving habits. I have almost 600 miles on my truck, but it seems like my mpg was steadier with fewer miles. Anybody else experiencing this?
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  3. Joonkin

    Joonkin Active Member

    Same here. Mine has almost 500 miles on it.
  4. silverpataco

    silverpataco Well-Known Member

    Mine has 6800 in 6-7 weeks same crap with inconsistent mpg!
  5. OP

    TacoRick Well-Known Member

    You guys have any thoughts on what's causing it?
  6. Demo Man

    Demo Man Well-Known Member

    Have you done anything to your truck?
  7. silverpataco

    silverpataco Well-Known Member

    Small little hands, fingers and minds from Japan. Trying to write the program meeting EPA emissions standards and better mpg's . Obviously not getting the air to fuel ratio and transmission shift points right!
  8. OP

    TacoRick Well-Known Member

    No mods yet.
  9. OP

    TacoRick Well-Known Member

    Aftermarket programming companies should be all over this.
    silverpataco likes this.
  10. rosenbet

    rosenbet Member

    Are you going by the trip info on Entune? I was watching that for a while but realized the graph is misleading because the bars all represent different amounts of time. My weekend driving is different than my weekday driving and the data is useless unless you train yourself to refresh it daily.
  11. OP

    TacoRick Well-Known Member

    I go by the trip mpg that is shown after the truck is turned off. I also go by the real time mpg.
  12. rrt1949

    rrt1949 Member

    Only have about 1400 miles but the average mpg according to the readout over the steering column was about 16. Mostly in town driving. The display on the entune read high 17.2 and average 14.6. Not very pleased with that at all so talked to the service tech's and they sail to check it the "old fashion way" by fill up to fill up, divide the miles by the gallons. Haven't had to fill up yet (I drive a company car), but I thought I'd reset all the info on the gauges. It took a couple of times to clear out the old info but when I test drove it stops, 55-65 highway only I got 27.5mpg. In town and around is averaging about 17mpg.
    Bogunn likes this.
  13. pismo61

    pismo61 Member

    Mine seems pretty steady.
  14. Bogunn

    Bogunn Well-Known Member

    The truck mpg resets with each fill up. It literally is a tank average.
    I would only go with the fill up to fill up “old fashioned” average for a few tanks of driving to get a real picture of what you’re getting.
    I’m getting about 21-23 mpg average right now with city and highway driving.
    rrt1949 likes this.

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