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Throttle Body Question

Discussion in '1st Gen. Tacomas (1995-2004)' started by SupraT, Jul 1, 2010.

  1. Jul 1, 2010 at 11:21 AM
    #1
    SupraT

    SupraT [OP] Tacoma Lover

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    So I will start from the beginning here. So about a month ago I took my truck in to the shop to get my valves adjusted when I picked it up the tech told me that when he had everything apart that he cleaned my throttle body and my intake since it was off, But after he cleaned the throttle it didn't not want to close all the way. So he suggested to me that I replace my hole throttle body due to just being worn out. So I this last weekend I installed one that I purchased from a guy that installed a SC and didn't nee it anymore, Now that I have installed it, it idles at about 1.5. I have checked for vacuum leaks and air leaks and I am finding nothing. Can anyone help me out on this? My motor is a 3.4l 5ve-fe.

    Thanks
     
  2. Jul 1, 2010 at 12:32 PM
    #2
    Sirlight

    Sirlight 1337 h4x0r

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    does it idle at 1500 RPM at all times ? Or, 1500 when the engine is cold, then drops down to normal when at operating temp ?
     
  3. Jul 1, 2010 at 1:29 PM
    #3
    SupraT

    SupraT [OP] Tacoma Lover

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    It idles about normal when cold then when it warms up it raises to 1500rpms
     
  4. Jul 1, 2010 at 2:38 PM
    #4
    beefcake

    beefcake J-rob

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    Debadged,Deck Plate mod, Helix throttle body spacer, magnaflow two chamber, smoked corner marker lamps, cb radio, smoked headlights, grillcraft mesh grill, URD short throw shifter, ultagauge, billstein 5100 front struts, spidertrax 1.25 spacers on all four
    sometimes the throttle bodies will get stuck a little open due to "build up" on the inside. I'm not saying this is the problem, but i used a 3 part tb cleaner. in one of the steps i used a swab (which looks like a huge cue tip) and after i cleaned it all up some gunk was left around the hinges on the inside of the tb. all im suggesting is to make sure everything is nice and clean in the tb
     
  5. Jul 1, 2010 at 3:16 PM
    #5
    Sirlight

    Sirlight 1337 h4x0r

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    Back the idle set screw out a bit and call it a day.

    Not throwing any CEL's correct ?
     
  6. Jul 1, 2010 at 3:16 PM
    #6
    beefcake

    beefcake J-rob

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    Debadged,Deck Plate mod, Helix throttle body spacer, magnaflow two chamber, smoked corner marker lamps, cb radio, smoked headlights, grillcraft mesh grill, URD short throw shifter, ultagauge, billstein 5100 front struts, spidertrax 1.25 spacers on all four
    also, check throttle cables, im just throwing out the obvious sh!t but sometimes we overlook the easy stuff
     
  7. Jul 1, 2010 at 3:54 PM
    #7
    SupraT

    SupraT [OP] Tacoma Lover

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    I cleaned it real good before i put it on, The throttle screw is already turned down all the way, and throttle cable isn't that tight at all. and not throughing any codes.
     
  8. Jul 1, 2010 at 7:33 PM
    #8
    beefcake

    beefcake J-rob

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    Debadged,Deck Plate mod, Helix throttle body spacer, magnaflow two chamber, smoked corner marker lamps, cb radio, smoked headlights, grillcraft mesh grill, URD short throw shifter, ultagauge, billstein 5100 front struts, spidertrax 1.25 spacers on all four
    this tb that you bought from that guy, did it work fine on his truck? if it worked on his it should work on yours
     
  9. Jul 1, 2010 at 8:41 PM
    #9
    EnolaGaia

    EnolaGaia Well-Known Member

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    What year and model Taco did this used throttle body come from?
     
  10. Jul 2, 2010 at 7:43 AM
    #10
    twfsa

    twfsa Well-Known Member

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    881 Front coils, Bilstien 5100's all the way front set to "0" Icon Dynamic's mini leafs in rear, stock tires.
    How many miles do you have on the clock?...
     
  11. Jul 2, 2010 at 8:54 AM
    #11
    SupraT

    SupraT [OP] Tacoma Lover

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    Well the guy I got it from said it worked fine and it came off of a 99 tacoma. I have 154,000 miles on my truck.
     
  12. Jul 2, 2010 at 11:19 AM
    #12
    EnolaGaia

    EnolaGaia Well-Known Member

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    The 5VZ injectors changed with the 1999 model year. I don't know whether this resulted in any change in the throttle body (or EFI or timing specs) that might explain the situation.
     
  13. Jul 2, 2010 at 11:33 AM
    #13
    SupraT

    SupraT [OP] Tacoma Lover

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    98 TRD SR5 4x4
    3" Lift Three leaf add and Bilstin 5100"s in back and Donahoe coilovers in front, Tinted Windows, Blackened parking light, tinted brake lights, clear bumper lights, Blacked out turn signals, AVS vent visors, Electric Fan mod, K&N CAI
    Hey guys thanks for all the help. It ended up being the IAC sensor, I just swapped with the one off of my old throttle body. Its all good now.
     
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