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NX - 1st Gen (2015-2021)

Spark Plugs

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Old 01-09-18, 04:38 PM
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brook41
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Default Spark Plugs
I just noticed today at 40k maintenance it says to replace plugs, looks like they are dealer only at $27 apiece. Has anybody reached 40K and had these replaced , It appears these need to be replaced to maintain emissions. warranty
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Old 01-09-18, 04:55 PM
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Htony
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Originally Posted by brook41
I just noticed today at 40k maintenance it says to replace plugs, looks like they are dealer only at $27 apiece. Has anybody reached 40K and had these replaced , It appears these need to be replaced to maintain emissions. warranty
Sounds like BS to me. Check your owners manual. Spark plugs should last at least 80 miles and beyond. 27.00 each is rip off.
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Old 01-09-18, 05:48 PM
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I'm sure they're Denso's or NGK's or something similar...the plugs are top center right under the engine cover. Pull the coil packs, pull the plugs, in and out probably 15 minutes total...definitely an easy job.
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Old 01-09-18, 06:36 PM
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Lex2000TL
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I recall, all turbo engines have spark plugs scheduled for replacement at 35K to 40K miles. Audi turbo engine schedules for new plugs first time at 35K and the rest - every 40K.
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Old 01-09-18, 07:55 PM
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It is definitely in the manual to replace the plugs at 40k. I infact spoke to a Disrict Service Manager fro Lexus and although he was surprised he confirmed that it is a fact. I would opt to replace them myself for a lot cheaper.
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Old 01-10-18, 11:25 AM
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I will order them from MyL parts and install them next week and post how it all went. Thanks for all the replies.
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Old 12-08-18, 08:23 AM
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SteveDeech
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Originally Posted by brook41
I will order them from MyL parts and install them next week and post how it all went. Thanks for all the replies.
did you ever replace your plugs on the NX? I have a 16. If so, how easy was it and any recommendations.

Steve Deech
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Old 01-21-19, 10:49 AM
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Originally Posted by SteveDeech


did you ever replace your plugs on the NX? I have a 16. If so, how easy was it and any recommendations.

Steve Deech
Following too.
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Old 01-21-19, 01:40 PM
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Lex2000TL
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Here we go folks. All info is below: video and spark plug link.
https://www.amazon.com/gp/product/B07FNXCZLF/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=howtoauto08-20&creative=9325&linkCode=as2&creativeASIN=B07FNXCZLF&linkId=6814bef8bf114ce5adb41a26b46452b0 https://www.amazon.com/gp/product/B07FNXCZLF/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=howtoauto08-20&creative=9325&linkCode=as2&creativeASIN=B07FNXCZLF&linkId=6814bef8bf114ce5adb41a26b46452b0

You are welcome.
Last edited by Lex2000TL; 01-21-19 at 04:41 PM.
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Old 01-21-19, 08:09 PM
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brook41
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Sorry I Did not see your post sooner . Plug removal is straightforward, remove plastic cover on top, I used a long extension 10” to 12”, just make sure use electrical tape to secure Socket. Make sure you number the wires 1-4 (left to right) facing motor, disconnecting the coils helps. Luckily the plugs are now aftermarket @15.88 each (Rockauto) NGK 91961Original OEM l wouldn’t use anything else. Pm me if you have any other questions. I also installed Techstream on my laptop so that I can Put my rear Pads into sevice mode for Replacement. Good luck☘️

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Old 01-24-19, 03:51 PM
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Originally Posted by brook41
I also installed Techstream on my laptop so that I can Put my rear Pads into sevice mode for Replacement. Good luck☘️

Hello brook41, can you elaborate I find that topic interesting.
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Old 01-24-19, 06:43 PM
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brook41
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I purchased the software from seller capital_auto on amazon . The software is needed to put the rear pads into service mode https://media-cf.assets-cdk.com/team...TG_Outline.pdf
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Old 03-28-19, 06:59 PM
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Anyone know what a step colder plug would be?

im tuned

thanks
-JB
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Old 03-28-19, 08:18 PM
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Originally Posted by JB5674
Anyone know what a step colder plug would be?

im tuned

thanks
-JB
Are you getting a lot of knock? Why did you decide on colder plugs being needed?
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Old 03-30-19, 09:48 PM
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Originally Posted by no1SomeGuy
Are you getting a lot of knock? Why did you decide on colder plugs being needed?
tti recommends colder plugs with their tune. I was being proactive. Likewise, I had a vw 1.8t way back when ( before all the Lexus cars ) and it was always recommend to do when tuning and adding more boost.

currently on Jb4 map1
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