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engine cutting out above 2500rpm

Discussion in '1st Gen. Tacomas (1995-2004)' started by dnestell, Jul 31, 2011.

  1. Jul 31, 2011 at 2:02 PM
    #1
    dnestell

    dnestell [OP] Member

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    Dustin
    Pioneer,TN
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    Hi everyone, I am new to this forum and looking to this community for some help with my 1996 tacoma 3.4 auto with 180k. My engine is cutting out above 2500 rpm like its hitting the rev limiter, also have CEL. I have replaced the plugs, fuel filter, and the MAF sensor with no positive results. I do not have a code reader but Autozone has scanned it several times and it shows the MAF, IAT, or ECM as being the culprit. The muffler is in need of being replaced, but I doubt that has anything to do with it, just fyi. The truck is bone stock other than a K&N filter. I work on all my own vehicles but this has me stumped. Thanks in advance for any help.
     
  2. Jul 31, 2011 at 2:35 PM
    #2
    So.Cal Taco

    So.Cal Taco Well-Known Member

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    Total Chaos Long travel Total Chaos Spindle Gussets, Nathan Air Chime K3LA's,Onboard Air system,K&N intake,Chuys 200 plus Amp Alternator,All Pro front Bumper,Lots of Dynamat,99 tacoma Gas Tank Mod ''Secret'' maybe I'll Tell
    Check the cluster of ground wires on the right side of intake the bolt can come lose and cause that type of problem. When did you last oil that filter?
     
  3. Jul 31, 2011 at 2:41 PM
    #3
    dnestell

    dnestell [OP] Member

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    I cleaned and oiled filter about 4k ago. I had the problem before that and did an oil change and cleaned air filter. Also did the plugs, MAF, and fuel filter at that time.
     
  4. Jul 31, 2011 at 3:13 PM
    #4
    dnestell

    dnestell [OP] Member

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    Ok just replaced the negative side cable and terminal. It was one that had the ground lead wire and fastened it to the body where the cluster of wires used to be. Engine is still cutting out.
     
  5. Jul 31, 2011 at 3:39 PM
    #5
    So.Cal Taco

    So.Cal Taco Well-Known Member

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    Total Chaos Long travel Total Chaos Spindle Gussets, Nathan Air Chime K3LA's,Onboard Air system,K&N intake,Chuys 200 plus Amp Alternator,All Pro front Bumper,Lots of Dynamat,99 tacoma Gas Tank Mod ''Secret'' maybe I'll Tell
    Check the ground wires on the intake manifold there is a port there also right side of manifold
     
  6. Jul 31, 2011 at 4:12 PM
    #6
    dnestell

    dnestell [OP] Member

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    Checked the ground wires on intake mani. They have good connection and continuity via voltmeter. Any other thoughts? hopefully not a bad computer.
     
  7. Jul 31, 2011 at 4:15 PM
    #7
    So.Cal Taco

    So.Cal Taco Well-Known Member

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    Total Chaos Long travel Total Chaos Spindle Gussets, Nathan Air Chime K3LA's,Onboard Air system,K&N intake,Chuys 200 plus Amp Alternator,All Pro front Bumper,Lots of Dynamat,99 tacoma Gas Tank Mod ''Secret'' maybe I'll Tell
    when did you last oil the K&N?
     
  8. Jul 31, 2011 at 4:18 PM
    #8
    So.Cal Taco

    So.Cal Taco Well-Known Member

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    Total Chaos Long travel Total Chaos Spindle Gussets, Nathan Air Chime K3LA's,Onboard Air system,K&N intake,Chuys 200 plus Amp Alternator,All Pro front Bumper,Lots of Dynamat,99 tacoma Gas Tank Mod ''Secret'' maybe I'll Tell
    ok you did it 4k ago how are your wires also the 3 coil packs
     
  9. Jul 31, 2011 at 4:26 PM
    #9
    dnestell

    dnestell [OP] Member

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    coil pack wires are flexible with no cracks or burnt spots. Do I need to check the packs themselves? If so, how do you test them?
     
  10. Aug 9, 2011 at 1:14 PM
    #10
    dnestell

    dnestell [OP] Member

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    Anybody have any more ideas?
     
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