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How To: Replacing Spark Plugs and Wires on 5VZ-FE 3.4 V6

Discussion in '1st Gen. Tacomas (1995-2004)' started by TacomaJPP, Jan 31, 2013.

  1. Jun 13, 2017 at 6:26 PM
    #121
    Misplaced Nebraskan

    Misplaced Nebraskan TTC #007 'First Gen Best Gen'

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    Thanks. Couldn't find any info on them.
     
  2. Jun 13, 2017 at 6:37 PM
    #122
    b_r_o

    b_r_o fresh cakes

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    Think about length too.. you don't wanna grab some that are too long!
     
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  3. Jun 13, 2017 at 6:48 PM
    #123
    Misplaced Nebraskan

    Misplaced Nebraskan TTC #007 'First Gen Best Gen'

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    Ya. Would take the old one with to verify. Don't wanna shear one :eek:
     
  4. Jun 14, 2017 at 7:15 AM
    #124
    rhion82

    rhion82 El Duderino

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    Yeah I took it to Lowes yesterday but they did not have the correct length. I'll try HD today before making the trip to Fastenal.
     
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  5. Jun 16, 2017 at 7:40 AM
    #125
    labrador01

    labrador01 Well-Known Member

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    Does anyone know the part # for the spark plug connector that attaches to the coil? I replaced my plugs & wires, and was unaware that it would not come with them. Are they replaceable, or do you have to replace the entire coil? Thanks for any input.
     
  6. Jun 16, 2017 at 7:44 AM
    #126
    rhion82

    rhion82 El Duderino

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    IIRC the correct size is 6x1.0x22?
     
  7. Jun 16, 2017 at 7:57 AM
    #127
    labrador01

    labrador01 Well-Known Member

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    & in regards into gapping these, I did both sides @ .043 ish
     
  8. Jun 16, 2017 at 11:54 AM
    #128
    b_r_o

    b_r_o fresh cakes

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    Probably not available separately thru toyota but oreilly's or napa may have an A/M set of wires that comes with boots.. there is a supplier called Prenco that makes a kit like that but im not sure if they are available at oreillys.. we get ours thru a wholesale supplier..
     
  9. Jun 20, 2017 at 8:44 PM
    #129
    02 quadcab

    02 quadcab Well-Known Member

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    I used the $39 oreillys cables successfully with Toyota plugs
     
  10. Jul 23, 2017 at 1:50 PM
    #130
    erik530195

    erik530195 Instagram: @toyota_vintage

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    Is there any real advantage to buying plugs that aren't toyota?
     
  11. Aug 2, 2017 at 2:50 PM
    #131
    Sicyota04

    Sicyota04 Slowly but surely.

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    When you disconnect the battery. Do you have to take off both + & - ? I always diconnect the negative cable when I clean the MAF. But wasn't sure if you need to disconnect both.
    Thanks,
    Morgan
     
  12. Sep 3, 2017 at 5:49 PM
    #132
    DSully72

    DSully72 2WD Problems

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    Sorry to revive old thread but don't want to make a new one. Has anyone encountered problems with the connection between the coils and new wires? My new wires don't fit well on the coils because the conducting material in the wire sticks out more than it did in my factory wires. (See pics below). I checked with Oreillys to make sure I have the right wires and I do. Other brand wires look the same way as well.

    Old wires:
    IMG_7940.jpg

    New wires:
    IMG_7941.jpg
     
  13. Sep 28, 2017 at 10:29 AM
    #133
    ThunderOne

    ThunderOne Average Contributor

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    That seems fuckey. I would take them back and get wires from the dealer or an online OEM supplier (camelback toyota, trdparts4u, conicelli toyota, etc)
     
  14. Oct 9, 2017 at 5:49 PM
    #134
    dano115

    dano115 New Member

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    Big thanks for the write up! Just got done doing mine for the first time. Went smoothly.
     
  15. Oct 12, 2017 at 9:23 AM
    #135
    ThunderOne

    ThunderOne Average Contributor

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    Not sure if this has been posted yet

    F73CDF0B-30D1-43B0-99AD-528AAB444356.jpg
     
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  16. Oct 29, 2017 at 11:38 AM
    #136
    Blackwell99

    Blackwell99 Member

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    Good write up. Changed just my plugs. One note, the air tube is mo fo to get off. Loosening the clamps is not enough even when they are loose enough to spin on the tube they still hang up on ridge on the ends of the pipes. I changed my first spark plug when I was 12 back on the ranch. This is a major PITA....
     
  17. Nov 6, 2017 at 10:29 AM
    #137
    jacksj1

    jacksj1 Well-Known Member

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    This was a very helpful thread! Thank you for posting!
     
  18. Nov 11, 2017 at 8:42 AM
    #138
    blktoytaco

    blktoytaco New Member

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    @TacomaJPP

    I registered on this site to thank you!

    I replaced my plugs and wires and it cleared my P0300, P0304, and P0306 engine error codes, enabling me to get a clean inspection. The auto parts store suggested replacing the ignition coils also. I ordered only one, because they're a little pricey for me now, but all of my ignition coils looked clean and in good condition, so I went ahead and replaced the one for cylinders number one and six, but kept the two old igntion coils in. I know it's best to replace all at once, but, long story short, I believe that my new NGK V-Power plugs and wires did the trick without the new ignition coil. At 251000 miles it is running like a new taco! I went ahead and sprayed and cleaned the throttle body air intake too, since I had the air ducts out of the way, so I'm sure that helped too, but I am so happy and relieved now. I can't thank you enough. Keep spreading the good word.
     
  19. Dec 7, 2017 at 7:03 PM
    #139
    lucky13don

    lucky13don Well-Known Member

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    just got my plugs and wires from rockauto. went ngk on both. and a bosch fuel filter. now to find time to do it.
     
  20. Jul 29, 2018 at 5:00 PM
    #140
    Mr. R

    Mr. R New Member

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    I put factories at 0.044 in mine, 2.4L, and it ran ok. But I noticed the engine liked the 0.033 gap better. Some of the older manufacturers still make 0.033 gaped plugs for Toyota. Something to think about.
     

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