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spark plug color

Discussion in 'Technical Chat' started by Cobra69, Nov 16, 2008.

  1. Nov 16, 2008 at 7:27 PM
    #1
    Cobra69

    Cobra69 [OP] Well-Known Member

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    Ok so I changed out my spark plugs which where NGK's......I didn't put them in there. I put in Denso 60,000 mile plugs from the dealer.

    Here is my question:


    ALL 6 plugs looked coco brown from the end of the thread to the resistor tip...........this color just doesn't seem right any thoughts???
     
  2. Nov 16, 2008 at 7:33 PM
    #2
    luk8272

    luk8272 Poodoo

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  3. Nov 16, 2008 at 7:36 PM
    #3
    Cobra69

    Cobra69 [OP] Well-Known Member

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    Hmmmmmmmm............mine dont look like any of those. I'll post up pic tomorrow so you can see what i'm talking about. Thanks for your input I appreciate it.
     
  4. Nov 16, 2008 at 7:42 PM
    #4
    luk8272

    luk8272 Poodoo

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    Yeah mine never look like any in the pictures either.
     
  5. Nov 16, 2008 at 8:01 PM
    #5
    Cobra69

    Cobra69 [OP] Well-Known Member

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    Here are a couple pics of what im talking about.

    Picture 138.jpg
    Picture 136.jpg
     
  6. Nov 16, 2008 at 8:32 PM
    #6
    TengoTaco

    TengoTaco Wish i was wheelin

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    In the back of my Haynes book it has pictures of good and bad spark plugs. Yours look normal. Here is the definition of normal wear:

    Brown to grayish-tan color and slight electrode wear. Correct heat range for engine and operation conditions.
     
  7. Nov 16, 2008 at 9:12 PM
    #7
    BeefTaco

    BeefTaco WESTern Alliance: NORCAL COAST

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    That's what a normal Toyota spark plug looks like normal plugs should be brownish tan in color witch means the heat range is right and the engine looks to be running normal.
     
  8. Nov 17, 2008 at 4:09 AM
    #8
    RCBS

    RCBS "Cause I'm mighty proud of that ragged old flag."

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    Denso Iridiums? do you still have the part number?
     
  9. Nov 17, 2008 at 9:15 AM
    #9
    luk8272

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    Those plugs look pretty good.
     
  10. Nov 17, 2008 at 1:22 PM
    #10
    Cobra69

    Cobra69 [OP] Well-Known Member

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    RCBS here is the part number on the reciept #90919-01192 3.87 each.

    OK guys thanks alot for taking the time out to check the pics and let me know that is normal. I appreciate your input.
     
  11. Nov 23, 2008 at 11:09 AM
    #11
    linkfeeney

    linkfeeney Well-Known Member

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    i open the engine cover of my truck, I dont see where I put the plugs into the coil packs?
    I want to do it myself when it hits 30k Miles
    thanks!
     
  12. Nov 23, 2008 at 11:25 AM
    #12
    Cobra69

    Cobra69 [OP] Well-Known Member

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    the plugs are about 5" below the coil packs and boots on the wires.
     
  13. Nov 23, 2008 at 11:26 AM
    #13
    Cobra69

    Cobra69 [OP] Well-Known Member

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    If you undo the bolt on one of the coil packs and pull it out of the engine, look into the hole the coil pack came from you will see the spark plug at the bottom of the hole.
     
  14. Nov 23, 2008 at 1:30 PM
    #14
    linkfeeney

    linkfeeney Well-Known Member

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    link the stink!
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    can u take a pic of it?
    sorry, I;m one of those hands on person :)

    thanks!
     
  15. Nov 23, 2008 at 1:41 PM
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    Cobra69

    Cobra69 [OP] Well-Known Member

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    UM.......its too dam cold out to pull a coil pack off my truck.....LOL

    what year is your truck?
     
  16. Nov 24, 2008 at 3:04 AM
    #16
    linkfeeney

    linkfeeney Well-Known Member

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    link the stink!
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    i have an 09, I dont even know where the coil pack is? do u need to add anti-seizing compound?
     
  17. Nov 24, 2008 at 4:45 AM
    #17
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Yes, you will need anti seize on the plugs.
     
  18. Nov 24, 2008 at 6:39 AM
    #18
    linkfeeney

    linkfeeney Well-Known Member

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    link the stink!
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    any pics of these coil packs on where i put new plugs would be super?

    my tire pressure monitoring system came on and 2 of my right tires are low but i got them filled up! awesome!
     
  19. Nov 24, 2008 at 6:50 AM
    #19
    Cobra69

    Cobra69 [OP] Well-Known Member

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    ok I'll take a pic of the coil pack on my truck..........mine is an 02 3.4 v-6, so might be different then yours,but you"ll get the idea. DON'T over tight the plugs either.
     
  20. Nov 24, 2008 at 9:43 AM
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    linkfeeney

    linkfeeney Well-Known Member

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    yeah i know about the not to overtighten it. it will crack the engine block

    when it is snug, I leave it as its
     
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