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Stutter upon acceleration

Discussion in 'New Members' started by TacAZ, Apr 15, 2012.

  1. Apr 15, 2012 at 2:32 PM
    #1
    TacAZ

    TacAZ [OP] New Member

    Joined:
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    I purchased new a 2001 Tacoma, dbl cab 4x4, June 2001. I have accumulated 256,000 miles. I can say I have well maintain this vehicle. yes timing belt has been changed twice. Next schedule is at 270,000 mile. Neverthe less the truck today, stutter upon acceleration.. eventually it smooth out, but sporatically stutter as I drive.. low speed/rpms is worse.

    Check engine light has been coming on/off recently.. current state is on.

    The mechanic replaced the MAF sensor, however the truck continue to stutter.

    Any advice?
     
  2. Apr 15, 2012 at 2:34 PM
    #2
    boshak

    boshak Well-Known Member

    Joined:
    May 23, 2010
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    519
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    First Name:
    Tony
    Southern California
    Vehicle:
    2003 Manual 4x4 5VZ-FE
    OME 881's, Wheeler's 5-leaf pack, Bilstein 5100's
    Any idea what the CEL is calling for? I think that'd be a start.

    TB clean? Sparks changed? Wires and coil packs tested and ok?
     
  3. Apr 16, 2012 at 5:30 PM
    #3
    TacAZ

    TacAZ [OP] New Member

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    You are correct..... changed spark plugs, wires, and tuned to specs....TB will be replaced at 270k. Humm, probably did not need to change the maf sensor. BTW, the wires were the original, plugs i changed winter 2009, and the kind i used were single point... thinking I would save gas as opposed to the dual point...did not notice a different.. Thanks for the sound advice.
     
  4. Apr 16, 2012 at 5:33 PM
    #4
    Royden

    Royden Active Member

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    lost somewhere in NW Mt.
    Vehicle:
    '05 DCSB Taco
    i would double check spark plugs ...:confused:
     
  5. Apr 16, 2012 at 8:48 PM
    #5
    boshak

    boshak Well-Known Member

    Joined:
    May 23, 2010
    Member:
    #37663
    Messages:
    519
    Gender:
    Male
    First Name:
    Tony
    Southern California
    Vehicle:
    2003 Manual 4x4 5VZ-FE
    OME 881's, Wheeler's 5-leaf pack, Bilstein 5100's
    I remember seeing somewhere... Either the timing belt cover or the owners manual... that you should only use dual electrode plugs.

    Get the OEM Densos or NGKs and try that out... I try not to stray away from the manual recommendations.

    Keep us posted.
     
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