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Spark plugs for a V6 04

Discussion in '1st Gen. Tacomas (1995-2004)' started by Tacomaislife, May 25, 2020.

  1. May 25, 2020 at 8:54 AM
    #1
    Tacomaislife

    #1
    Tacomaislife [OP] Well-Known Member

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    Hello everyone I was wondering which spark plugs are the best for a v6 2004
     
    Tacomaislife, May 25, 2020
    #1
  2. May 25, 2020 at 10:00 AM
    #2
    Glamisman

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    Glamisman Well-Known Member

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    as a general rule japanese plugs for a japanese vehicle... NGK or Denso are fine, Motorcraft or Champions, not so much.
     
    Glamisman, May 25, 2020
    #2
  3. May 25, 2020 at 12:50 PM
    #3
    Blue92

    #3
    Blue92 Well-Known Member

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    Funny how many questions on here can be answered by cracking open the owners manual, isnt it?
     
    Blue92, May 25, 2020
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    onakat and High Noon like this.
  4. May 25, 2020 at 1:14 PM
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    ElChapoSr

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    ElChapoSr Well-Known Member

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    See if you can buy them from a local Toyota dealer. I have gotten them for under $3 a plug from the dealer, and I've been given the wrong plug at your local auto parts store for $6 each. For whatever reason, my local dealer is significantly cheaper RE spark plugs and oil filters.
     
    ElChapoSr, May 25, 2020
    #4
  5. May 25, 2020 at 4:09 PM
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    Tacomaislife

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    Tacomaislife [OP] Well-Known Member

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    Well these work

    Screenshot_20200525-190640.jpg
     
    Tacomaislife, May 25, 2020
    #5
  6. Jun 30, 2020 at 6:47 PM
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    Fatal_Paradox

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    Fatal_Paradox Well-Known Member

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    Is it true its recommended to use the double ground spark plugs for our trucks? Mine currently has NGK single ground. Does it make that much a difference ?
     
    Fatal_Paradox, Jun 30, 2020
    #6
  7. Jun 30, 2020 at 6:58 PM
    #7
    Harryhood87

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    Harryhood87 Well-Known Member

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    Do what the replies above are telling you. At $3 a plug, $18 total, that's cheaper than what you're looking at on Amazon and its what's recommended by the manufacturer.
     
    Harryhood87, Jun 30, 2020
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    bax likes this.
  8. Jun 30, 2020 at 7:01 PM
    #8
    Madjik_Man

    #8
    Madjik_Man The Rembrandt of Rattle Can

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    Do you have the 3.4? Dual electrodes for that engine.

    There have been 10,000 posts arguing about it to death (some say you can use single electrode no problem).

    But I’m going to side with Toyota on this one and go with the OEM spec/recommendation of dual electrodes.
     
    Last edited: Jun 30, 2020
    Madjik_Man, Jun 30, 2020
    #8
  9. Jun 30, 2020 at 7:03 PM
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    Bishop84

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    Bishop84 Well-Known Member

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    With waste spark systems like the 3.4 the dual ground is ideal. Waste spark fires @ TDC everytime so twice as often, thus a dual ground is prefered.
     
    Bishop84, Jun 30, 2020
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    cruiserguy likes this.
  10. Jun 30, 2020 at 8:18 PM
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    Fatal_Paradox

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    Fatal_Paradox Well-Known Member

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    @Bishop84 @Madjik_Man Thanks! I have ordered OEM plugs and wires. Time to get this autozone crap off my truck. Hopefully my mileage is a little better as well.
     
    Fatal_Paradox, Jun 30, 2020
    #10
  11. Jun 30, 2020 at 8:30 PM
    #11
    Harryhood87

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    Harryhood87 Well-Known Member

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    Harryhood87, Jun 30, 2020
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  12. Jun 30, 2020 at 8:33 PM
    #12
    bax

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    bax Well-Known Member

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    Which is why I feel the need to share with OP that you can find the owners manual in PDF form on Toyota's website. I keep one on my phone and computer. It's very convenient.
     
    bax, Jun 30, 2020
    #12
  13. Jul 1, 2020 at 6:17 AM
    #13
    onakat

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    onakat Well-Known Member

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    It is recommended you use Denso or NGK sparkplugs

    Then if you don't know what to choose between copper, platinum or iridium, the only difference between them is their longevity. They don't give more HP or anything

    Copper is the cheapest but they also have the shortest lifespan. They must be replaced at about 30k miles intervals
    Platinum have a longer lifespan, needing to be replaced at about 100k miles
    Iridium are the most expensive of the bunch, but they can last for 120k+ miles
     
    onakat, Jul 1, 2020
    #13
    Tonemaz likes this.
  14. Jul 1, 2020 at 6:22 AM
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    onakat

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    onakat Well-Known Member

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    Be careful when buying on internet, lots of counterfeit plugs, no matter where seller is from (some don't even know they have fakes!)
     
    onakat, Jul 1, 2020
    #14
  15. Jul 1, 2020 at 6:33 AM
    #15
    se7enine

    #15
    se7enine MCMLXXIX

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    I've never not been able to buy NGK plugs at local part stores. If you want Denso then go to their website and buy from the retailers they list. That way you won't get any counterfeits because they exist on Amazon and elsewhere.
     
    se7enine, Jul 1, 2020
    #15
  16. Jul 1, 2020 at 7:14 AM
    #16
    Fatal_Paradox

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    Fatal_Paradox Well-Known Member

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    Fatal_Paradox, Jul 1, 2020
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  17. Jul 3, 2020 at 5:41 PM
    #17
    ECO Lander

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    ECO Lander Well-Known Member

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    Good points.
     
    ECO Lander, Jul 3, 2020
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