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Engine knocking

Discussion in '3rd Gen. Tacomas (2016-2023)' started by Dady83, Jul 12, 2023.

Page 3 of 3
  1. Aug 21, 2023 at 7:59 PM
    #41
    soggyBottom

    #41
    soggyBottom Well-Known Member

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    What RPM? Is it when your accelerating from a stop? What octane? Does this also happen mid day when it's warm out? E10 vs e0 will make no difference here.
     
    soggyBottom, Aug 21, 2023
    #41
  2. Aug 21, 2023 at 8:10 PM
    #42
    billas taco

    #42
    billas taco Well-Known Member

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    I have been using 87 until about 2 tank fulls ago. I went to premium 91. At least for me the difference was significant. Hardly pings at light acceleration and better fuel economy. I switched mainly because of the pinging.
     
    billas taco, Aug 21, 2023
    #42
    whiseve, Scotfree and cryptolime like this.
  3. Aug 22, 2023 at 2:02 AM
    #43
    T.BROCK

    #43
    T.BROCK Well-Known Member

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    It's not a knock or ping ...sounds like a sewing machine...lol..
    It's the high pressure fuel system..that's the way its suppose to sound...
     
    T.BROCK, Aug 22, 2023
    #43
  4. Aug 22, 2023 at 3:29 AM
    #44
    Dady83

    #44
    Dady83 [OP] Well-Known Member

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    Noo, u can tell there's a different noise like pistons knocking with misfire, but spark plugs are fine, fuel economy fine, smooth idling
     
    Dady83, Aug 22, 2023
    #44
    whiseve likes this.
  5. Aug 22, 2023 at 3:55 AM
    #45
    Scotfree

    #45
    Scotfree I drive slow

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    Just while accelerating? Not coasting
     
    Scotfree, Aug 22, 2023
    #45
  6. Aug 22, 2023 at 4:14 AM
    #46
    Dady83

    #46
    Dady83 [OP] Well-Known Member

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    Exactly while accelerating and not always, idles like a champ smooth
     
    Dady83, Aug 22, 2023
    #46
  7. Aug 22, 2023 at 4:33 AM
    #47
    lavrishevo

    #47
    lavrishevo Well-Known Member

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    Believe it or not, the truck corresponds to even higher octane than 93. How do I know? Because I run e25 pretty often and I monitor the timing / knock detection. I don’t know where you live but hot ambient temps exacerbate the problem.
     
    lavrishevo, Aug 22, 2023
    #47
  8. Aug 22, 2023 at 4:49 AM
    #48
    Dady83

    #48
    Dady83 [OP] Well-Known Member

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    Texas and this summer it's been hot!!!
     
    Dady83, Aug 22, 2023
    #48
    lavrishevo[QUOTED] and 23 SR5 LB like this.
  9. Aug 22, 2023 at 4:58 AM
    #49
    23 SR5 LB

    #49
    23 SR5 LB Well-Known Member

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    I like to tune it out with Buckethead's Bir Sur Moon on 11.
     
    23 SR5 LB, Aug 22, 2023
    #49
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