Plugs and coils for 05 LS
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RJM17 (03-20-19)
03-20-19, 06:44 AM
#3
Don't try and save a buck and use aftermarket junk, you'll regret it in the end. I'm curious as to why you are going to replace the coils? Unless you have a specific failure, just do the plugs and be done with it.
The following users liked this post:
RJM17 (03-20-19)
03-20-19, 12:21 PM
#4
Lexus Fanatic
03-20-19, 02:51 PM
#5
Pole Position
Unless you have trouble codes then replacing COP igniters should not be necessary...
As to spark plugs, OEM supplier NGK now offers a "Ruthenium" spark plug which offers significant advantages over the stock "Iridium".
See;
https://www.clublexus.com/forums/ls-1st-and-2nd-gen-1990-2000/904773-ngk-ruthenium-hx-spark-plugs.html
As you are experiencing challenges over removing the 10mm coil pack bolt, are you comfortable with changing spark plugs and have necessary tools, such as torque wrench (torque specs necessary) ?
Last edited by YODAONE; 03-20-19 at 02:56 PM.
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GS - 2nd Gen (1998-2005)
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