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Unresponsive Throttle.. Help!!!

Discussion in '2nd Gen. Tacomas (2005-2015)' started by vitang, Dec 17, 2009.

  1. Dec 17, 2009 at 7:56 AM
    #1
    vitang

    vitang [OP] Well-Known Member

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    My 2005 automatic Tacoma is acting up all of a sudden. From a complete stop, when I accelerate the truck, then let go of the gas pedal and then step on it quickly again the truck doesn't want to accelerate until after when I pump it a few times and then it will take off. It feels like the truck is unresponsive when I step on the gas pedal. There is also no error codes or any check engine light on to tell me anything. I was hoping for your expertise before bringing it into the dealership.
     
  2. Dec 17, 2009 at 8:02 AM
    #2
    kmac1036

    kmac1036 Active Member

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    my only experience with this would be my dad's '96 ford powerstroke, his was the throttle sensor on the pedal. it would just cut out & go to an idle for no reason... if the tacos don't use a throttle cable, maybe start there.
     
  3. Dec 17, 2009 at 8:03 AM
    #3
    Danosabre

    Danosabre Well-Known Member

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    When did you last change your fuel filter?
    or maybe water in the tank
     
  4. Dec 17, 2009 at 8:05 AM
    #4
    Asgard

    Asgard Well-Known Member

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    When you press the pedal and it doesn't want to accelerate do the RPMs go up ?
     
  5. Dec 17, 2009 at 8:06 AM
    #5
    vitang

    vitang [OP] Well-Known Member

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    I don't recall the last time I changed my fuel filter, but last night my truck was running low on gas with the E light on. Filled her up with a new gas and its still doing the same thing.
     
  6. Dec 17, 2009 at 8:07 AM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Disconnect the neg. battery cable for about 15 mins., then reconnect, and see if the symptoms are still there.
     
  7. Dec 17, 2009 at 8:10 AM
    #7
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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  8. Dec 17, 2009 at 8:11 AM
    #8
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Gimmie that! :popcorn:
     
  9. Dec 17, 2009 at 8:16 AM
    #9
    vitang

    vitang [OP] Well-Known Member

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    When the truck is unresponsive, I am flooring my gas pedal and the truck is accelerating very slowing and I just noticed that the RPM's would stay just above 1500
     
  10. Dec 17, 2009 at 8:23 AM
    #10
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Do what I suggested, and post up what happens, if anything.
     
  11. Dec 17, 2009 at 8:25 AM
    #11
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    :popcorn:

    No you don't!

    X2 on the disconnect the battery. It sounds like the ECU has you in safe mode for some reason.
     
  12. Dec 17, 2009 at 8:27 AM
    #12
    kmac1036

    kmac1036 Active Member

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    almost exactly what my B series is doing... still haven't found a fix after 3 yrs. one of the reasons I wanted a new(er) truck
     
  13. Dec 17, 2009 at 8:27 AM
    #13
    Asgard

    Asgard Well-Known Member

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    How many miles on the truck ? Have you noticed anything weird about your transmission lately, like rough shifting or a delay in shifting ? When my Nissan's transmission was failing sometimes when you accelerated and it changed out to 4th gear it would get stuck in that gear for a while and would not downshift.
     
  14. Dec 17, 2009 at 8:29 AM
    #14
    Asgard

    Asgard Well-Known Member

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    Thought the same, but wouldn't the "check engine" light come on ?
     
  15. Dec 17, 2009 at 8:30 AM
    #15
    vitang

    vitang [OP] Well-Known Member

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    My truck only has 38,000 miles on it, Trying the battery right now and waiting. I will post my results in a few minutes. I'm crossing my fingers.....
     
  16. Dec 17, 2009 at 8:31 AM
    #16
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    You may have a code in the "pending" status. I believe the OBD is setup as a two error trip. Meaning it has to see the error happen twice in a certain time/cycle frame. It could be intermittent enough to not actaully trip the light.
     
  17. Dec 17, 2009 at 8:31 AM
    #17
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Normally, Yes. BUT....Its best to start with disconnecting the battery, and resetting to see if its just a "glitch", or if something has happened and "slipped" past the ECU. Start with the small easy stuff first.
     
  18. Dec 17, 2009 at 8:47 AM
    #18
    vitang

    vitang [OP] Well-Known Member

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    Hey guys, It WORKED!!!!!! Truck is running properly again. Thanks for everyone's help here.. TW ROCKS!!!!!!!!!
     
  19. Dec 17, 2009 at 8:47 AM
    #19
    Rustyota

    Rustyota well.....

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    X2 on resetting the ECU. Works wonders a lot of the time. the more computerized the engine, the more magical errors a disconnected battery will fix...
     
  20. Dec 17, 2009 at 8:48 AM
    #20
    Rustyota

    Rustyota well.....

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    sweet.
     
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