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Smoke on start up on NEW 2010 4.0 Tacoma

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Toobold, Mar 17, 2010.

  1. Mar 17, 2010 at 6:47 AM
    #1
    Toobold

    Toobold [OP] Active Member

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    Hello everyone. I just purchased a new 4x4 DB-cab Tacoma with the 4.0. I only have 248 miles on this truck. Yesterday I started my truck up after it had sat for the past 4 days and it put out a puff or white smoke on start up. Please dont tell me I have a lemon. Any input would be greatly apprciated. I am hoping this will stop after the break in period...HELP
     
  2. Mar 17, 2010 at 6:49 AM
    #2
    Blackshirts

    Blackshirts Well-Known Member

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    Where was the smoke coming from???

    Oh and welcome to TW

    :wave:
     
  3. Mar 17, 2010 at 6:53 AM
    #3
    bigburrito

    bigburrito Local Man

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    probably water vapor. but why ask us? take it to the dealer. you should still be under warranty;)


    Welcome to TW!
     
  4. Mar 17, 2010 at 7:08 AM
    #4
    Toobold

    Toobold [OP] Active Member

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    It was coming from the exhaust outlet. I know it wasnt vapor..its was a white smoke. Thanks for the quick reply..
     
  5. Mar 17, 2010 at 7:26 AM
    #5
    Bart

    Bart Well-Known Member

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    metra ipod
    Mine did the same thing and still does sometimes I think it's just the truck I have 63k on it and no motor problems.
     
  6. Mar 17, 2010 at 7:27 AM
    #6
    WestonJ

    WestonJ Well-Known Member

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    Added a Tool Box, rear spring TSB, Weathertech floor mats, Emergency lights,
    my 2010 tacoma does the same thing. when i start it on a cold morning and drive down the road, alot of white smoke or vapor comes out of the exhaust, but then the engine warms up and it goes away. my 2001 tundra did the same thing
     
  7. Mar 17, 2010 at 7:30 AM
    #7
    ktmrider

    ktmrider Senior Member

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    head gasket.... :D IDK :popcorn:
     
  8. Mar 17, 2010 at 7:36 AM
    #8
    bigburrito

    bigburrito Local Man

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    maybe the taco is dread! :rasta:
     
  9. Mar 17, 2010 at 8:55 AM
    #9
    Bgarner

    Bgarner New Member

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    I have a 2010 and mine did the same thing for about 500 miles. worried me too but it went away.
     
  10. Mar 17, 2010 at 8:56 AM
    #10
    dgr540

    dgr540 I've got the FUNK

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    I have had mine not want to start on me a few times now. Mine is 09 with 8k on it.
     
  11. Mar 17, 2010 at 9:20 AM
    #11
    xpdishun

    xpdishun Active Member

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    White smoke might just be water vapor or unreacted exhaust. Blue smoke is oil and what you need to worry about. Next time you start your truck, check what color the smoke is. Here are two common causes of both colors smoke on a new vehicle.

    When you first start the car, the cat is not warm and doesn't allow all the exhaust to react as it should before leaving the tailpipe. This is exacerbated in the winter with the cold ambient temperature. This creates the white smoke. Don't worry about it, it just happens and it won't hurt anything in your truck.

    I can't say this is the case of the Toyota engines but some of the older Honda VTEC engines (think Prelude) had an issue where oil would build up in the complex valve train after letting the car sit. Some of the gaskets for the VTEC components would shrink as the engine cooled and let some of that oil trickle into the cylinders, but only a minute amount. When you next start up the engine, the oil will burn off in the first few minutes. This also isn't really a problem but it's good to keep an eye on it. I haven't heard of this being an issue with our engine so I'd be surprised if it was the case. I'd bet the cold cat is your problem.
     
  12. Mar 17, 2010 at 9:41 AM
    #12
    4low2go

    4low2go Well-Known Member

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    Give the piston rings a chance to seat completely, about 3000 miles
     
  13. Mar 17, 2010 at 9:55 AM
    #13
    09TRD

    09TRD it is what it is

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    Not yet,
    Mine does the same thing when it sits for a a few days...... always has
     
  14. Mar 17, 2010 at 10:08 AM
    #14
    grammy

    grammy Well-Known Member

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    Normal
     
  15. Mar 17, 2010 at 10:26 AM
    #15
    Country

    Country Well-Known Member

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    U are defineltly still under warranty, but prolly water vapor or some bad gas with water in
     
  16. Mar 17, 2010 at 12:04 PM
    #16
    WATacoRider

    WATacoRider Well-Known Member

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    Jesus, next thing you know, you'll tell us your engine makes a noise when you turn it on.
     
  17. Mar 17, 2010 at 1:54 PM
    #17
    pcool69

    pcool69 Member

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    I get the white exhaust as well with 325 miles on the truck. I would bet that it will be gone by the first oil change.
     
  18. Mar 17, 2010 at 3:53 PM
    #18
    Peru

    Peru Well-Known Member

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    I was always taught that white smoke is vapor and blue smoke is oil. However, my R1150GS air cooled motorbike puts out white smoke every now and then and most of the time in the morning -- it's definitly not vapor. It burned a modest amount of oil till I wreked it at 88k miles

    The piston rings may have not seated or who knows what it was. Again the bike worked Like a champ and compression on both cilinders what on the high end of the mfg specs.

    Keep an eye on the oil till you know if it consumes oil or not. Remember just because it consumes a little oil doesn't = bad engine


     
  19. Mar 17, 2010 at 4:51 PM
    #19
    dexterdog

    dexterdog My pee parts itch

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    Normal operation and more noticeable on newer vehicles.
     
  20. Mar 17, 2010 at 4:54 PM
    #20
    jmcwms

    jmcwms Lazy, Good For Nothin'

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    ^^^^^^

    What he said.

    My 07 still does it on cool mornings.
     
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