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V6 engine issue, I think??

Discussion in '2nd Gen. Tacomas (2005-2015)' started by pontastic1, Nov 19, 2010.

  1. Nov 19, 2010 at 10:45 AM
    #1
    pontastic1

    pontastic1 [OP] Well-Known Member

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    Hey guys,

    Semi-noob here, just bought '11 4x4 V6 Taco DCLB - put in about 4K miles now. I've notice my odometer speed doesn't match up to the GPS odometer speed. I've been driving like a granny still breaking it in, hoping the speed would recover. Also, every time I accelerate, I hear the engine rattle, could be a valve thing? I don't know? Has anyone in here experience this?? I'm gonna take it in for a oil change soon and maybe check with the dealer.....thanks ahead of time
     
  2. Nov 19, 2010 at 10:46 AM
    #2
    PLC721

    PLC721 Well-Known Member

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    my speedo came fast from the factory
     
  3. Nov 19, 2010 at 10:48 AM
    #3
    krimson

    krimson Nothin

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    Never rely on a GPS to determine your speed etc... Youre odemeter is fine, its the GPS that is incorrect. You gotta remember the GPS has to constantly recieve and transmit information to space there will always be a delay...
     
  4. Nov 19, 2010 at 10:50 AM
    #4
    PLC721

    PLC721 Well-Known Member

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    really? hmm because my gps matches like the road signs that monitor your speed or whatever they are called
     
  5. Nov 19, 2010 at 10:51 AM
    #5
    BakoTruck

    BakoTruck Well-Known Member

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    Yeah these engines sound a little different.......if it gets worse take it in. But sounds normal, took a little while for me to get used to it. After a while you won't even notice.

    4K.......it should be broke-in by now, you can now drive normally. Just make sure to change factory oil and filter if you haven't done so already.
     
  6. Nov 19, 2010 at 10:51 AM
    #6
    krimson

    krimson Nothin

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    Im talking about your current speed on the GPS... :cool:
     
  7. Nov 19, 2010 at 10:52 AM
    #7
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    x2. My speedo was slow from the factory when checked against road mile markers and my GPS.
     
  8. Nov 19, 2010 at 10:53 AM
    #8
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    They're measured using the same system Distance/Time. If the distance isn't measuring correctly, the speed won't be correct either...
     
  9. Nov 19, 2010 at 10:53 AM
    #9
    BeardedTaco

    BeardedTaco Well-Known Member

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  10. Nov 19, 2010 at 10:54 AM
    #10
    krimson

    krimson Nothin

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    Well i guess my speedo is wrong because it sayes im going 2 MPH faster thant what iam really going.
     
  11. Nov 19, 2010 at 10:57 AM
    #11
    BadBrains

    BadBrains Spreading the Aloha

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    Taking hills into account with the GPS?
     
  12. Nov 19, 2010 at 10:58 AM
    #12
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    Yep, seems to me common in the 2nd Gen's. I went with slightly larger tires and I'm dead on now with every GPS unit I check it against and also road mile markers. That's also how I justified bigger tires to my girlfriend... I don't think she bought it though...:cool:
     
  13. Nov 19, 2010 at 11:01 AM
    #13
    Brunes

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    GPS is round about a lot closer. Digital to Analog conversion is not precise which is why digital everything is almost always better. Most likely the speed/distance the speedo/odo on the ECU is right...the dashboard is wrong.
     
  14. Nov 19, 2010 at 11:03 AM
    #14
    JWC

    JWC Well-Known Member

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    My 2010 DBL cab TRD Sport 4x4 with about 2400 miles on it sounds the same. Sounds fine when driving normally - but it is a little loud and does sound "rattley" when accelerating heavily - like when getting on an on-ramp. I test drove a couple of Tacomas before I bought this one and they sounded exactly the same. I figure it is a truck - I agree with the previous poster who said after a while you won't even notice it - I don't even worry about it any more - I think they all sound like that.
     
  15. Nov 19, 2010 at 11:19 AM
    #15
    Nick54

    Nick54 Well-Known Member

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    This is pretty much the same for me when measured against the GPS, I also have a UltraGuage and it is closer to my GPS than the speedo and the UG is connected to the truck computer. ??? I'm chalking it up to manufacturers in cahoots with law enforcement to get us to drive slower and save gas - who me? ya right!! :devil:
     
  16. Nov 19, 2010 at 11:21 AM
    #16
    Brunes

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    Same concept...Different twist. The manufacturers are protecting themselves from lawsuits by allowing some slop on the low side...so when people change tires/gearing they don't have to defend themselves cause of tickets and BS...
     
  17. Nov 19, 2010 at 11:23 AM
    #17
    HondaGM

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    i think a 3 to 4mph + or- glance is considered normal for the speedo
     
  18. Nov 19, 2010 at 11:26 AM
    #18
    PLC721

    PLC721 Well-Known Member

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    my my dash says 65 my gps says about 70 but also i have stock gearing and 35's
     
  19. Nov 19, 2010 at 11:30 AM
    #19
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    OP, I think you've officially been :threadjacked:
     
  20. Nov 19, 2010 at 11:31 AM
    #20
    BrettBretterson

    BrettBretterson Wild Ginger

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    Oh boy, here we go again "bro". FALSE. There will not always be a delay. GPS is much more accurate than a static measuring system that is affected by multiple different factors.
     
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