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Hesitation/no accelerator from start

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Trdintake, Jul 31, 2011.

  1. Jul 31, 2011 at 8:54 AM
    #1
    Trdintake

    Trdintake [OP] Member

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    TRD intake and exhause
    My '08 Tacoma TRD automatic with TRD intake and exhaust periodically hesitates from starting and even less frequently from a rolling 5mph and up start. There is no response from the accelerator until I let off the accelerator and press down again. I have spoken to other 2nd generation Tacoma owners who are experiencing a similar problem. Heading to dealer on Friday.
     
  2. Jul 31, 2011 at 9:28 AM
    #2
    brian

    brian Another Traitor

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    Sounds like something to do with the accellerator recall.... did you have it done recently?
     
  3. Jul 31, 2011 at 11:37 AM
    #3
    Trdintake

    Trdintake [OP] Member

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    TRD intake and exhause
    In for accelerator recall, and back, and still no remedy.
     
  4. Jul 31, 2011 at 11:40 AM
    #4
    brian

    brian Another Traitor

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    The tacoma is a drive by wire system. The accellerator recall, from what I understand is an ECU reflash. From an electronics tech point of view, I'd start looking at a new gas pedal assembly. Sounds like the transmitter might be faulty.....


    I really have no idea though.


    :shrug:
     
  5. Jul 31, 2011 at 12:39 PM
    #5
    Trdintake

    Trdintake [OP] Member

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    TRD intake and exhause
    Thanks. Hope to know something Friday. Might be something related to wire harness.
     
  6. Jul 31, 2011 at 1:31 PM
    #6
    Maticuno

    Maticuno Resident Pine Swine

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    I'd be looking more towards the drive system that open/closes the butterfly valve in the throttle body. If it's wearing it might start to lag.
     
  7. Jul 31, 2011 at 1:47 PM
    #7
    brian

    brian Another Traitor

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    This could be very possible too.... they do work together as a pair. Since we've eliminated the ECU, its probably just down to these two. I would lean to the accelerator only because, in most cases, the part with the most human interaction is the part that breaks.
     
  8. Jul 31, 2011 at 1:54 PM
    #8
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    FlimFlubberJAM
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    Id check for vacuum leaks around the intake, or a disconnected vacuum line. The accelerator has a tripple redundancy, and if any of the 3 systems go out of spec, a CEL iluminates.
     
  9. Jul 31, 2011 at 2:06 PM
    #9
    brian

    brian Another Traitor

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    Is the throttle electronically controller or vacuum assisted?
     
  10. Jul 31, 2011 at 2:10 PM
    #10
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Its electronic, but a vacuum leak can cause similar issues.
     
  11. Aug 11, 2011 at 7:20 PM
    #11
    huntark03

    huntark03 I'd rather be hunting!

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    Any word on what you found out??? Having similar issue!!!
     
  12. Aug 12, 2011 at 12:11 PM
    #12
    Trdintake

    Trdintake [OP] Member

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    TRD intake and exhause
    They could not find the source of the problem however they have opened a "tech case". Not sure what that means but hopefully it means if others are having similar problems other techs and factory folks will probe deeper into the problem.
     
  13. Aug 12, 2011 at 12:22 PM
    #13
    jivewalker

    jivewalker me gusta pechos firmes

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  14. Aug 14, 2011 at 7:03 AM
    #14
    huntark03

    huntark03 I'd rather be hunting!

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    I'm taking mine in this week...I'm sure they won't find it. That seems pretty normal for the dealership.
     
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