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Misfire trouble-shooting

Discussion in '1st Gen. Tacomas (1995-2004)' started by davestaco, Feb 11, 2011.

  1. Feb 11, 2011 at 8:47 PM
    #1
    davestaco

    davestaco [OP] TW's number one gear whore

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    ok so heres the deal. My taco was missing.....really really bad. So i gave it to my brother, also my mechanic, and told him to fix it lol. Well he ran his computer on it and cyl. 6 was missing. we tried new coil packs and that didnt change a thing. so we rip off the intake and replaced the injector, and still no change. Any one have any other ideas as to what it could be? this is killin me. Its been in the shop for 2 weeks!!!
     
  2. Feb 11, 2011 at 8:48 PM
    #2
    AvsFanTRD

    AvsFanTRD Oh gravity, thou art a heartless bitch!

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    did you start with the spark plug and plug wires? I would have replaced those before the coil pack,
     
  3. Feb 11, 2011 at 8:50 PM
    #3
    davestaco

    davestaco [OP] TW's number one gear whore

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    new plugs, wires are good.
     
  4. Feb 12, 2011 at 8:55 PM
    #4
    Supra TT

    Supra TT Solid Axle FTMFW!!

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    Check again, could of had a bad wire/plug from the beginning.
     
  5. Feb 13, 2011 at 7:11 PM
    #5
    beatle

    beatle Well-Known Member

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    How old are they? Who makes them? You may try going out to an unlit road, pulling over and popping the hood. Wait for your eyes to adjust and then see if you can see any arcs across the wires. If so, they may not be as good as you think.
     
  6. Feb 13, 2011 at 8:38 PM
    #6
    davestaco

    davestaco [OP] TW's number one gear whore

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    Turns out it was 2 things. One was a plugged injector and in another cylinder some water got past a plug boot and hit a hot plug and cracked the porcelain. So new injector new plugs and new wires for good measure and we should be back in business. I don't think I'm ever gonna wash my engine again lol.
     
  7. Feb 14, 2011 at 7:28 AM
    #7
    tacomaforlife

    tacomaforlife Well-Known Member

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    yea when the truck miss fires it will usually be the plugs, wires,coil pack or the maf sensor causing it.
     
  8. Feb 14, 2011 at 12:47 PM
    #8
    davestaco

    davestaco [OP] TW's number one gear whore

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    isnt that all it could be? air spark or fuel right?
     
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