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03 Tacoma, "dead pedal" problem.

Discussion in 'Technical Chat' started by ghost5849, Feb 3, 2010.

  1. Feb 3, 2010 at 7:03 AM
    #1
    ghost5849

    ghost5849 [OP] New Member

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    I'm looking for an explaination to a recent problem I had with my 03 Tacoma 4x4 3.4L. The other night I was driving and stopped at a 4-way intersection. As I made a right turn and began to accellerate, I got a dead pedal. My truck idled fine and i was able to get the quarter mile home at a half mph. Pressing the gas pedal did nothing. I shutoff and restarted the truck but the problem persisted-the truck just remained at idle.

    The truck made no weird or unusual sounds prior to the incident and was driving fine up until that point. Today I had the time to try and fix the problem. I assumed I had snapped the throttle cable. An underhood inspection revealed the throttle cable is fine on both ends. I started the truck and it revved up. I put the truck in gear and it drove fine.

    This is baffling me. I need to know what caused this to happen so it doesn't happen again, possibly on the freeway or in a heavy traffic area. Here is some more information:

    Weather was cold, in the teens for several days.
    I had not driven the truck for the previous three days.
    The truck was warmed up. I had been driving approx ten miles.
    I am original owner and the truck has never had any serious mechanical problems before.
    Truck has 160k mi.
     
  2. Feb 3, 2010 at 7:08 AM
    #2
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    Since the cable is intact and I doubt it could"fix itself" if it came loose, it may be a fuel delivery issue.
     
  3. Feb 3, 2010 at 11:17 AM
    #3
    EnolaGaia

    EnolaGaia Well-Known Member

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    2003 was the year they introduced throttle by wire. I'd start by checking the throttle position sensor.
     
  4. Feb 3, 2010 at 11:20 AM
    #4
    NAAC3TACO

    NAAC3TACO Just east of crazy

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    If you had water in the fuel it may have caused a fuel line freeze. I would put a couple of bottles of HEET in the tank and fill it up. That is if you can't find a problem with the throttle system.
     
  5. Feb 5, 2010 at 6:29 AM
    #5
    ghost5849

    ghost5849 [OP] New Member

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  6. Feb 5, 2010 at 6:38 AM
    #6
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    5100's all on fours
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