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spark plugs

Discussion in '1st Gen. Tacomas (1995-2004)' started by Chaseb, Jun 8, 2012.

  1. Jun 8, 2012 at 5:15 PM
    #1
    Chaseb

    Chaseb [OP] Member

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    i plan onchangeing my spark plugs this weekend....ive never done it before but im reading on here that your suppossed to "gap" the new plugs.....what happens if i just put the plugs in the way they came in the box?
     
  2. Jun 8, 2012 at 5:20 PM
    #2
    nfs257

    nfs257 Well-Known Member

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    They should be pre-gapped but not gaurenteed. If the gap is to small or to big then the engine will not run right...
     
  3. Jun 8, 2012 at 5:51 PM
    #3
    scocar

    scocar Treat the cause, not the symptom

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    Mostly boxes on shelves, and a smashed head unit
    In fact, check them before you leave the store.

    I caught 2 of 6 at the dealer that had both ground electrodes misaligned. Like, way off sideways, not away form the middle electrode. But all the ones I ended up with were all gapped correctly right out of the box.

    You need this kind of gauge (assuming V6, not sure what the 4-banger uses):

    [​IMG]
     
  4. Jun 8, 2012 at 6:04 PM
    #4
    Rackster

    Rackster Well-Known Member

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    I recommend going with the OEM replacement plug and not an aftermarket plug. As others have noted, the plugs come pre-gapped and some with a protective sleeve. Although I've never found a plug improperly gapped in the past 15 years or so, I still check every plug I put in to make sure the gap is correct. I also check the gap of the plugs I take out to see if there was uneven wear from cylinder to cylinder. If you were the one that gapped them when they went in (or confirmed gap setting before installation), then they should be the same coming out. Also check the spent plugs for other tell-tale signs of engine problems. Haynes/Chilton manuals generally have a color picture page to help you troubleshoot issues. They also have tips to keep you from crossthreading or removal/installation suggestions.

    Good luck!

    Kevin
     
  5. Jun 8, 2012 at 7:00 PM
    #5
    Chaseb

    Chaseb [OP] Member

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    alright, thanks for the info!
     
  6. Jun 8, 2012 at 9:02 PM
    #6
    fidencio74

    fidencio74 Well-Known Member

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    Stock for now
    What is the number on the gauge? .043
     
  7. Jun 8, 2012 at 10:52 PM
    #7
    scocar

    scocar Treat the cause, not the symptom

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    Mostly boxes on shelves, and a smashed head unit
    Yes. I tried hard to make it show...
     
  8. Jun 8, 2012 at 11:58 PM
    #8
    austinramsay

    austinramsay Well-Known Member

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    How do you gap a spark plug anyways?? I know how to do a good amount of mechanical work but ive never gapped a spark plug :facepalm: haha

    edit: nvm just looked it up on youtube :)
     

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