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Spark Plug Change Frequency

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Blockhead, Aug 19, 2015.

  1. Aug 19, 2015 at 3:16 PM
    #1
    Blockhead

    Blockhead [OP] Well-Known Member

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    The owners manual say to change every 30,000 miles so I guess I'm due now...I average 70,000 miles/year...

    Do you guys follow the manual's advice and is it an easy DIY?
     
  2. Aug 19, 2015 at 3:21 PM
    #2
    shakerhood

    shakerhood Well-Known Member

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    I change mine every 30,000 miles.
     
  3. Aug 19, 2015 at 3:23 PM
    #3
    topcathr

    topcathr Well-Known Member

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    every 30 k
     
  4. Aug 19, 2015 at 3:28 PM
    #4
    Clearwater Bill

    Clearwater Bill Sometimes when I close my eyes, I can't see.

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    Wow.

    Driving a 60mph average, that's 4.5/hrs/day, 5 days a week, 52 weeks a year.
     
  5. Aug 19, 2015 at 4:17 PM
    #5
    08TacoTrD

    08TacoTrD Well-Known Member

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    Yep.
     
  6. Aug 19, 2015 at 4:25 PM
    #6
    Blockhead

    Blockhead [OP] Well-Known Member

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    Thanks all, I know what I'll be doing this Saturday...
     
  7. Aug 19, 2015 at 4:29 PM
    #7
    MQQSE

    MQQSE Chief Pal Guy

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    ColoradoTJ and Plain Jane Taco like this.
  8. Mar 26, 2020 at 9:57 AM
    #8
    ssiboogie

    ssiboogie New Member

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    First I admit I'm guilty, I forgot to change the plugs on the 2011, twice. First it was in 2014 at 120,000, I know that was way too long and I was surprised the old plugs didn't look bad. I replaced them with the Toyota official part then completely forgot about it again. Had replacements for a couple of months and the virus gave me some free time so put them in. Even worse the clock now reads 320,000, that's another 200,000 since the last change. Again the old plugs don't look too bad with little gap wear and good color on all cylinders. I think the engine idles a little more even but could be my imaginative. I simply don't understand how plugs could last this long; have not seen a drop in gas mileage or starting. This time I put in Denso Iridiums in case I forget again. All I can say is Toyota Engineering must be damn good to take this level of lack of maintenance. I drive so many miles I change the oil only every 20,000 miles so use the high mileage 20,000 mile Mobil 1 synthetic and still don't need to add oil between changes. Anyone else done this with plugs and got away with it?
     
    asudevil and lynyrd3 like this.
  9. Mar 26, 2020 at 10:13 AM
    #9
    Tcomaboy

    Tcomaboy Well-Known Member

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    I changed mine at 70k. 30k is overkill and recommended by Toyota to get people to pay for service.
    Kind of like back in the day when they recommended 3month/3000mi oil changes
     
    asudevil and lynyrd3 like this.
  10. Mar 26, 2020 at 10:15 AM
    #10
    JAGCanada

    JAGCanada Well-Known Member

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    I wouldn't worry too much missing a spark plug change. I doubt 'old' spark plugs would do any long term damage.

    However, if your concerned about the longevity of the engine, I'd reconsider the 20,000 mile oil change interval. Before Uber, I'd get in a taxi and ask most drivers how many KMs they had on the engine. Wasn't uncommon to see 700,000+ KMs. Oil would be changed once per week.
     
  11. Mar 26, 2020 at 10:19 AM
    #11
    Sterling_vH111

    Sterling_vH111 IG: @Sterling_vH111

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    I replaced mine with iridium plugs (another debated topic) and pull mine out every 30k to look at them.

    Oem was replaced at 35k, and so far at 600k miles they were fine.

    I plan to check again at about 90k and likely replace.
     
  12. Mar 26, 2020 at 5:17 PM
    #12
    Crosis

    Crosis Well-Known Member

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    I have 103k on the block and changed them once. Iridium were a no go for my truck. Ran like shit.
     
  13. Mar 26, 2020 at 5:20 PM
    #13
    lynyrd3

    lynyrd3 Strength ,Determination ,Merciless,Forever

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    Changed 3 times now in 12 years 129000 miles . What I need to do is clean the MAF and throttle body :oops:
     
  14. Mar 26, 2020 at 5:36 PM
    #14
    Marshall R

    Marshall R Well-Known Member

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    There is a guy in North Carolina who was at 1.3 million miles on his 2008 Tacoma as of last fall, I'm assuming it is still running. That's miles, not KM. He changes oil once a month, which works out to about 10,000 miles. He didn't change the factory plugs until he was at 700,000 miles.

    I'm at 203,000. Changed the factory plugs at 95,000, and again at 167,000. I used to change my oil every 10,000, but that was when I was putting 20,000 miles a year on it. I do it every 6 months now regardless of miles, but it usually works out to around 5000 miles. I don't want to leave oil in longer than 6 months regardless of miles.
     
  15. Mar 26, 2020 at 5:41 PM
    #15
    winkel

    winkel Well-Known Member

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    The last time I changed mine at 30,000, they looked fine. Decided I'd go 50,000 on this set. Now that I think of it, I don't remember when that was.....
     
  16. Mar 26, 2020 at 5:47 PM
    #16
    Plain Jane Taco

    Plain Jane Taco I'm sorry Dave. I'm afraid I can't do that

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    30k is for the 4.0 only. The 2.7 is 100k
     
  17. Mar 26, 2020 at 6:04 PM
    #17
    IL Capo

    IL Capo Well-Known Member

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    Every two years.....don't forget to change out the PVC valve when your there....and while your at it clean your MAF sensor!
     
  18. Mar 26, 2020 at 6:09 PM
    #18
    ARB1977

    ARB1977 Don’t be a dick

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    Am I the first to notice you have a 2019. If there iridiums should be 100-120K. I guess everyone like my self the post was in 2015, lol.
     
  19. Mar 27, 2020 at 3:28 AM
    #19
    Blockhead

    Blockhead [OP] Well-Known Member

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    Hello...yes sir I now have a 2019 but the comment of mine that you quoted was from 2015 when I had my 2nd gen.
     
    LVYOTA likes this.
  20. Mar 27, 2020 at 4:57 AM
    #20
    EdgemanVA

    EdgemanVA Well-Known Member

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    I do plugs every 30K miles. It's a simple procedure that doesn't require a trip to the dealer.

    Also change my diff fluid on a 30K mile interval. (05-08 Tacomas have a "clutch type" LSD, and require this interval)
     

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