Spark Plug Time?
Lead Lap
Joined: Jul 2005
Posts: 430
Likes: 11
From: CA
I sucessuflly replaced my plugs this weekend with Denso Iridiums (model IK20). Everything went very smooth and took me under an hour to finsih. I even removed and cleaned my throttle body after I saw how easy it was to remove. It had a pretty good layer of gummy resiude all around the inside and on the edges of the butterfly flap-- sparkling clean now.
One thing to note-- To my surprise, the old plugs I removed were NGK's Iridium's! I am the second owner of this 2001 LS430 with only 78k miles (I bought it when it had 46k miles). I assumed they were original plugs from the assembly line. I mean, who would change out the plugs on a car that had 40k +/- miles? The previous owner was an elderly gentelman who took VERY good care of this car. He may have had someone replace the plugs along the way, but again, I'll never know.
One thing to note-- To my surprise, the old plugs I removed were NGK's Iridium's! I am the second owner of this 2001 LS430 with only 78k miles (I bought it when it had 46k miles). I assumed they were original plugs from the assembly line. I mean, who would change out the plugs on a car that had 40k +/- miles? The previous owner was an elderly gentelman who took VERY good care of this car. He may have had someone replace the plugs along the way, but again, I'll never know.
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