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Throttle Body COVERED in Oil. HELP!

Discussion in '1st Gen. Tacomas (1995-2004)' started by drothman, Jun 5, 2011.

  1. Jun 5, 2011 at 11:42 AM
    #1
    drothman

    drothman [OP] Member

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    I just recently bought a 97 toyota Tacoma 2WD Regular Cab pickup truck. The truck starts right up and runs nicely but was like a thousand fingers massage when idling (IE rough) so I dug around on the internet and found an article about cleaning the Throttle Body right here on Tacoma World. 2 bleeding knuckles and 30 minutes later I'm holding the throttle body in my hands and what a mess! The inside of the throttle was covered in oil. This oil was not dried gook but wet. I'm sitting down so give it to me. Thanks in advance for any help offered.

    Kevin

    [​IMG]
    [​IMG]
     
  2. Jun 5, 2011 at 11:46 AM
    #2
    BrokenTusk

    BrokenTusk I support a velociraptor free workplace.

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    Not intimately familiar with the first generation tacomas, but if it was that bad, you should really consider removing your intake manifold to give it a good cleaning too, just make sure you have an extra gasket to re close everything back up. and your MAF (Mass Air Flow) sensor could probably use a good cleaning too since its in that area.
     
  3. Jun 5, 2011 at 11:47 AM
    #3
    Hiatt1991

    Hiatt1991 Well-Known Member

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    Never seen oil on a throttle body but def clean it. It could be just an accumulation of gunk that built up. Mine was black too
     
  4. Jun 5, 2011 at 11:47 AM
    #4
    Hiatt1991

    Hiatt1991 Well-Known Member

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    ^ x2 on the intake manifold
     
  5. Jun 5, 2011 at 11:48 AM
    #5
    BrokenTusk

    BrokenTusk I support a velociraptor free workplace.

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    no worries, One of the first gen guys should chime in here shortly
     
  6. Jun 5, 2011 at 11:49 AM
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    BlueTaco07

    BlueTaco07 Super Mod!

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    Alott of things could be done.... If your intake filter is stock I would recomend getting a drop in or CAI with a new filter. Like said clean the intake. Check or any leaks or broken seals.
     
  7. Jun 5, 2011 at 11:52 AM
    #7
    BrokenTusk

    BrokenTusk I support a velociraptor free workplace.

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    ^This, and you'd be amazed the difference a new fuel filter & air filter can make in preventing fouling of the rest of the engine components. Well worth the 15$ for the filters. Since you bought old, do you know the maintenance records at all?? or have a slight idea??
     
  8. Jun 5, 2011 at 11:56 AM
    #8
    davestaco

    davestaco TW's number one gear whore

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    im pretty shur thats not oil but just years or dirt and grime built up. hit that bad boy with some deep creep and you will be good to go
     
  9. Jun 5, 2011 at 12:02 PM
    #9
    JKD

    JKD Well-Known Member

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    Check PCV valve (might as well just replace it) and EGR system.
     
  10. Jun 5, 2011 at 12:06 PM
    #10
    4WD

    4WD cRaZy oLdmAn

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    Clean the S H I T out of everything intake, whats your plugs look like ? I'd do a comp. test also
     
  11. Jun 5, 2011 at 12:07 PM
    #11
    drothman

    drothman [OP] Member

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    I bought it from a guy who used it as a second vehicle for moving audio equipment and yard care taking. One owner and he did most of the maintenance. Nothing big on the records. I put in a new air filter and replaced the plugs. I need to hunt down a fuel filter and I'm considering replacing the plug wires and cap. Thanks for everyones help, this place rules!
     
  12. Jun 5, 2011 at 12:21 PM
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    BrokenTusk

    BrokenTusk I support a velociraptor free workplace.

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    Welcome to TW :thumbsup:
     
  13. Jun 5, 2011 at 12:26 PM
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    kmok

    kmok Plastidipped ma Hootus!

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    Looks like carbon buildup that never got cleaned off. Clean it off and it will be good to go. Don't waste your money on a CAI, there are little to no gains from CAIs on the first gens. Look up the deck plate mod instead.
     
  14. Jun 5, 2011 at 12:28 PM
    #14
    BrokenTusk

    BrokenTusk I support a velociraptor free workplace.

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    Actually OP, since your here, do a lil reasearch on that, one of the best & cheapest upgrades available for the first gens
     
  15. Jun 5, 2011 at 3:15 PM
    #15
    drothman

    drothman [OP] Member

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    BrokenTusk, are you referring to the deck plate mod? I found a step by step and it looks fairly easy. Good huh?

    So I cleaned the crap/S H I T outta that thing, tossed it back on and the hibby hibby shake is gone. It idles a little high but from what I've found online, that'll correct itself. Thanks again everyone! I thought I was hosed!
     
  16. Jun 5, 2011 at 4:37 PM
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    Quid

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    My TB looked the same. 200,200 miles and doesn't burn a drop of oil. I don't think either of our TB's were ever cleaned. Just sprayed with the engine running. I took mine off and cleaned it like you are, idles much better.
     
  17. Jun 5, 2011 at 4:48 PM
    #17
    FirstGenTaco

    FirstGenTaco Member

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    seafoam the crap outta that truck...I'll bet you would be smoking for about 30 mins and the entire neighborhood.:p

    Just purchased a 4 banger with 90K - idle ran rough in the beginning and gas mpg was horrible - changed sparkies (they were in need of new plugs), seafoamed - mpg about 400 miles to a tank of gas, idle is a lot smoother. Oh yeah, did the deck plate mod over the weekend....could hear the drone, not sure what it did to hp or mpg, but nevertheless, pretty simple to do and did everything including the cleaning, cutting the box, installing, etc. in about 40 mins.
     
  18. Jun 7, 2011 at 9:19 AM
    #18
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    ^^^yep......seafoam the shit outta the motor. replace the pcv valve too.......and your idle will improve.
     
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