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How To: Spark Plug Change (1 GR-FE)

Discussion in 'Technical Chat' started by chris4x4, Mar 16, 2009.

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  1. Nov 16, 2009 at 10:29 AM
    #181
    619Tacoma

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    619Tacoma Baja bound

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    Chris,

    Thanks for your write up!! Just changed the spark plugs on my 07 truck this weekend. 58K miles and i bought my truck with 26K miles. I still had not changed the plugs till now. They were still the original plugs!!!!!!! The gaps were way off. The truck felt way smoother after the change.

    Good and thorough write up.
    Thanks!
     
    619Tacoma, Nov 16, 2009
    #181
  2. Nov 16, 2009 at 10:30 AM
    #182
    chris4x4

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    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Moderator

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    Glad to help :)
     
    chris4x4, Nov 16, 2009
    #182
  3. Nov 16, 2009 at 11:15 AM
    #183
    The tacoman

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    The tacoman Well-Known Member

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    Great write up, very easy to follow. Just finished changing out my spark plugs. Truck has 42000 miles on it and the gaps were all at least .046 and up to .055 on my old ones. So I know that your truck will run better and saves gas, but will you actually notice a change in the mpg or is it so small of a difference that you won't notice anything. I have only run 2 tanks through this truck so I won't know one way or the other.
     
    The tacoman, Nov 16, 2009
    #183
  4. Nov 16, 2009 at 11:17 AM
    #184
    chris4x4

    #184
    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Moderator

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    You may see an increase. I generally have seen 1 to 2 mpg difference when a plug change is made, but that also depends on teh condition of the plugs that were changed.
     
    chris4x4, Nov 16, 2009
    #184
  5. Nov 21, 2009 at 5:19 PM
    #185
    Jacobz

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    Jacobz New Member

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    ngk 1 is the one nearest on the driver side, counting clockwise.

    These plugs were pulled out after 58k miles on my 1GR-FE 4Runner.
    NGK 1
    ngk1_049becbccc4d0988bf43afa7c5c89efa631fcaf5.jpg

    NGK 2
    ngk2_0ac04caf790e2733e7d3fbd15a724abfdb0d7a10.jpg

    NGK 3
    ngk3_a35d36deb3b0e1b613d49f4e62b323c0c3c762be.jpg

    DENSO 4
    denso4_a8363a9268f39ebb3bf1066f3dbf9306e61b11ec.jpg

    DENSO 5
    denso5_d7ed8f47cd7e17100a23220a7b7c527a806b1921.jpg

    DENSO 6 - nearest to the passenger side.
    denso6_a455bb0005459c706b70350d8be73a46b1ae82a4.jpg
     
    Jacobz, Nov 21, 2009
    #185
  6. Nov 21, 2009 at 6:15 PM
    #186
    mitiko

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    mitiko Well-Known Member

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    you reemplace by the same or a different brand , passager site need a iridum?
     
    mitiko, Nov 21, 2009
    #186
  7. Nov 21, 2009 at 10:25 PM
    #187
    chris4x4

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    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Moderator

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    Replace with the OEM Denso plugs for best performance
     
    chris4x4, Nov 21, 2009
    #187
  8. Nov 22, 2009 at 6:17 AM
    #188
    Jacobz

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    yes, I replaced all six with Denso plugs. Looking at those old plugs, Denso seems to be in best shape.
     
    Jacobz, Nov 22, 2009
    #188
  9. Nov 22, 2009 at 7:15 AM
    #189
    mitiko

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    mitiko Well-Known Member

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    is not for the position close to the engine.
     
    mitiko, Nov 22, 2009
    #189
  10. Nov 22, 2009 at 7:22 AM
    #190
    chris4x4

    #190
    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Moderator

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    What? :confused:
     
    chris4x4, Nov 22, 2009
    #190
  11. Nov 22, 2009 at 12:03 PM
    #191
    MassTaco

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    MassTaco Well-Known Member

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    Looks like you may have a valve stem seal issue on the cylinder the NGK 1 was in. There's lots of soot on the insulator and lots of oil on the threads all the way up to the crush washer. Does the engine consume any oil?
     
    MassTaco, Nov 22, 2009
    #191
  12. Nov 24, 2009 at 8:00 PM
    #192
    Jacobz

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    The thing with the dip stick on the 4R, its hard to read. As far as consumption goes, maybe a little bit, nothing major is observed.

    Is there a way to correct this (valve stem seal issue)?
     
    Jacobz, Nov 24, 2009
    #192
  13. Nov 24, 2009 at 8:21 PM
    #193
    Packman73

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    Bilstein 5100's (front set @ .85"), OME 885's, chris4x4 anti-Taco-lean spacer on driver's side, Total Chaos UCAs, Rear Leaf Spring TSB, Toytec AALs, Black FJ TT Wheels, BFG 285/75R 16 AT Tires, TRD Exhaust, Viper Alarm, Fog Light Mod, De-badged, Blue LED Dome Light, EZ Clamped Tailgate, Wet Okoles, Satoshi Grill, 5% Tint, Engine Tick Fix, Black Rear Bumper, Black Center Valence, Exhaust Cut At Axle, Thanks for all the help chris4x4!
    Hey Chris, can you make this thread a sticky please? :cool:
     
    Packman73, Nov 24, 2009
    #193
  14. Nov 24, 2009 at 8:40 PM
    #194
    chris4x4

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    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Moderator

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    Done. :cool:
     
    chris4x4, Nov 24, 2009
    #194
  15. Nov 25, 2009 at 3:18 AM
    #195
    linkfeeney

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    linkfeeney Well-Known Member

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    speaking of which... I have like 25k miles on my truck... when I was pouring out the old oil in the Amsoil bottles... It only filled up 4.5 quart? I mean I filled up the other 4 all the way to the top and of course some left on the oil filter... you guys think its eating oil too... I might go ahead to change to the spark plug too... the weather is getting cold, have to do it outside, i dont have a garage! :(
     
    linkfeeney, Nov 25, 2009
    #195
  16. Nov 25, 2009 at 5:45 AM
    #196
    chris4x4

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    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Moderator

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    Did you fill them to the top? Most oil containers are filled to about 3" from the top. If you are refilling them, you would need to fill to the same level to get an decent guestimate.
     
    chris4x4, Nov 25, 2009
    #196
  17. Dec 1, 2009 at 5:22 AM
    #197
    Gwest1967

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    Gwest1967 Active Member

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    Looks like it would be easier on a 1st gen Taco, than yours? I pray that its easier than changing the oil... lol.
     
    Gwest1967, Dec 1, 2009
    #197
  18. Dec 1, 2009 at 5:24 AM
    #198
    chris4x4

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    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Moderator

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    Its a little more easy, as there is less in the way on the 3.4.
     
    chris4x4, Dec 1, 2009
    #198
  19. Dec 2, 2009 at 12:49 PM
    #199
    jamesjech

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    Thanks for the outstanding write up... made it so easy my 15 year old son did it on his own.
     
    jamesjech, Dec 2, 2009
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  20. Dec 2, 2009 at 12:50 PM
    #200
    chris4x4

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    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Moderator

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    Great to hear! :)
     
    chris4x4, Dec 2, 2009
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