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2000 tundra white smoke on startup

Discussion in '1st Gen Tundras (2000-2006)' started by Dutchess, Aug 21, 2021.

  1. Aug 21, 2021 at 1:47 PM
    #1
    Dutchess

    Dutchess [OP] New Member

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    Hi, I have seen the other posts on this and I am not sure they have helped. Sometimes on startup my truck shoots white smoke out when I bought it i was in a pinch and did t realize all that was wrong with it. I knew the power steering was loud and sometimes with these it causes white smoke. So I changed the power steering vacuum switch thing and put in a new pump. It’s noisier than ever and makes more noise as I driving making me think a hard line is broken or the rack is bad but that’s a story for another time. Anyway, it does have white smoke on start up. It’s never sweet smelling and the coolant level hasn’t changed at all. It also always popped the incorrect purge flow cel. I traced it to the vacuum lines being routed incorrectly because the po was not the brightest. I haven’t done a compression or leak down test. However it does have some sort of exhaust leak at the block and manifold at the center two ports which I have heard is pretty common. Is it possible those let in a lot of condensation? Probably a long shot but hoping this truck isn’t a complete turd. Thanks for the help in advance
     
  2. Aug 21, 2021 at 1:54 PM
    #2
    jerryallday

    jerryallday New Member

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    When I had white smoke on my Camry I changed the PCV value
     
    Last edited: Aug 21, 2021
  3. Aug 21, 2021 at 1:56 PM
    #3
    Kratos

    Kratos Woof

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    It's possible that it's condensation, but if it does it every single time you fire it up then most likely it's something else. Good tip above to check all your PCV valves.
     
  4. Aug 21, 2021 at 2:02 PM
    #4
    gosolo

    gosolo You Don’t Know Who I Am But I Know Where You Live

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    2"CB shackles, bushings and 1 shim, lockerdown console vault, rear folding seat back mod, snugtop shell with opening side windows, 46g fuel tank, SDHQ sliders and hidden winch, Decked Drawers, Alcan leaf springs and got rid of the interior chrome
    Usually, white smoke is from moisture and black smoke is from oil.
    Have someone else start the truck while you watch. If the smoke stays white as it drifts away it’s not moisture, if it disappears within a few yards it’s confirmed as moisture.
     
  5. Aug 21, 2021 at 2:08 PM
    #5
    Dutchess

    Dutchess [OP] New Member

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    Thank you! I forgot to mention I got a new Pcv valve and seal, although the seal is pretty loose on the valve and the hose coming off of it has had better days for sure. I may replace the seal again and test the pcv. I was only away of one
     
  6. Aug 21, 2021 at 2:14 PM
    #6
    Dutchess

    Dutchess [OP] New Member

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    @gosolo its staying white. What would be my next step?
     
  7. Aug 21, 2021 at 2:19 PM
    #7
    Jaxons

    Jaxons New Member

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    For what it is worth...The only time I had white smoke out the exhaust was experienced climbing a long hill (20 miles) at highway speeds and it was diagnosed as excess unburned gas being expelled...most likely a fuel injectior problem. Only happened once, so not quite the same as your experience.

    Toyota Step Side.jpg
     
  8. Aug 21, 2021 at 2:41 PM
    #8
    BubbaW

    BubbaW Been Real

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    1st Gen is no turd....you can take that to the bank :mudding:


    Was considering head gasket but you said the smoke didn't smell sweet and no coolant lost. Used SeaFoam recently and how do your engine temps look ?
     
  9. Aug 21, 2021 at 3:21 PM
    #9
    Tundra2

    Tundra2 Zoinked

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    If PCV valve has a seal, I'm guessing you have the 3.4L V6. I believe the V8 PCV valve screws in like a bolt unless the earlier models were different.

    V6 part numbers for OEM parts with new hose if you do indeed have the V6.

    12204-62010 PCV Valve

    90480-18001 PCV Valve Grommet

    12261-62041 Hose Ventilation N (hose from PCV to intake)

    What brand grommet and PCV did you use?
     
  10. Aug 21, 2021 at 3:35 PM
    #10
    mbreed2

    mbreed2 Is not right

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    My PCV valve does not screw in. And I have one, to my knowledge.
     
  11. Aug 22, 2021 at 7:11 AM
    #11
    Dutchess

    Dutchess [OP] New Member

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    No, no seafoam lately and temps are always normal. I guess leakdown test is coming. And from what I’ve read, 03 or 04 they started doing screw in style pcvs
     
  12. Aug 22, 2021 at 7:35 AM
    #12
    THinTX

    THinTX New Member

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    Could very well be just condensation. Burning coolant will be thick white smoke and will smell like coolant. Since your coolant level never changes it’s unlikely, as long as your radiator cap is working properly.
     
  13. Aug 29, 2021 at 3:25 AM
    #13
    Dutchess

    Dutchess [OP] New Member

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    I’ve ready that leaky injectors are a common culprit for this type of problem. Am I able to remove the injectors and rails as a piece and watch if they leak? Is there a trick to this? If that’s not it, it’s valve stem seal time I think
     
  14. Aug 29, 2021 at 4:53 AM
    #14
    THOR's

    THOR's New Member

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    Question guys… in the old days I would remove the plugs and inspect them to see if there was a plug(s) where the head was clean or rusty from the coolant. I’d use this method to determine if I had a head gasket leak or worst yet a cracked head.

    Typically a good running engine’s spark plug insulator would be a light tan around the electrode. The electrode might have a little carbon and that would be it.

    What do you think?
     
  15. Aug 29, 2021 at 2:21 PM
    #15
    tdrich7

    tdrich7 New Member

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    I am still trying to track down my own smoking issue as well. It is not a function of time sitting so I am questioning the original suggestion of valve stem seals. Actually, the less time it sits the more it seems to smoke, but only after it is driven. I am starting to suspecting leaky fuel injectors, and I am hoping so as most advice I have read says don't bother trying to replace valve stem seals as it could make things worse. A lot of people go straight to head gasket/coolant burning, but I think in 9/10 cases it would be way more obvious that was the issue.
     

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