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3.4l prerunner engine surges at medium throttle

Discussion in '1st Gen. Tacomas (1995-2004)' started by mackattack07, Dec 12, 2010.

  1. Dec 12, 2010 at 8:16 PM
    #1
    mackattack07

    mackattack07 [OP] Well-Known Member

    Joined:
    Dec 11, 2010
    Member:
    #47527
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    Male
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    william
    Jacksonville NC/Graceville FL
    Vehicle:
    99 Prerunner 3.4/2000 4Runner3.4/85 Pickup22R
    my 99 prerunner surges at mid throttle. easing along its smooth and easy and wide open throttle it shits and gets but mid throttle it surges you can feel it and hear it. It still shifts smooth even tho its surging. any help btw its completely bone stock with 339,000 miles and still runs strong.
     
  2. Dec 12, 2010 at 8:18 PM
    #2
    Ridgerunner

    Ridgerunner Well-Known Member

    Joined:
    Mar 14, 2008
    Member:
    #5269
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    Frank
    San Francisco
    Vehicle:
    2001 prerunner doublecab limited
    2001 with; cat-back twin exhaust,elbow mod, Westin bullbar with Hella550's, Snugtop XTR camper shell, TRD off-road 2x4-black beauty.
    Start by cleaning the MAF sensor-bet it can use it:) and congratulations to your tough truck for giving all that service!!
     
  3. Dec 12, 2010 at 8:49 PM
    #3
    mackattack07

    mackattack07 [OP] Well-Known Member

    Joined:
    Dec 11, 2010
    Member:
    #47527
    Messages:
    439
    Gender:
    Male
    First Name:
    william
    Jacksonville NC/Graceville FL
    Vehicle:
    99 Prerunner 3.4/2000 4Runner3.4/85 Pickup22R
    absolutely no codes have popped up its just aggravating ill have to look up how to clean it
     
  4. Dec 12, 2010 at 10:09 PM
    #4
    Ridgerunner

    Ridgerunner Well-Known Member

    Joined:
    Mar 14, 2008
    Member:
    #5269
    Messages:
    3,621
    Gender:
    Male
    First Name:
    Frank
    San Francisco
    Vehicle:
    2001 prerunner doublecab limited
    2001 with; cat-back twin exhaust,elbow mod, Westin bullbar with Hella550's, Snugtop XTR camper shell, TRD off-road 2x4-black beauty.
    They have MAF cleaner at the auto stores-very rapid drying which is what you need. I assume your airbox is the same as my 2001? Can you tell us or do a pic of the airbox and sensor location should be right behind it. If it is the same I will tell you how to do it. I do mine every 5000 miles. If I can I'll try to do a vid if you need one let me know.
     
  5. Dec 13, 2010 at 7:39 AM
    #5
    mackattack07

    mackattack07 [OP] Well-Known Member

    Joined:
    Dec 11, 2010
    Member:
    #47527
    Messages:
    439
    Gender:
    Male
    First Name:
    william
    Jacksonville NC/Graceville FL
    Vehicle:
    99 Prerunner 3.4/2000 4Runner3.4/85 Pickup22R
    mine is right after the airbox the same as my wifes 2000 4 runner. i work on helos so ill probly uses cpc type II its cleaner fast drying and all of that.
     
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