Orderd NGK Iridium IX Plugs...

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This is true, especially with just over 10K miles on the plugs but knowing the stories that some plugs in the same truck can be denso and some NGK and im going to an upgraded NGK plug over what is found in the OEM form, ill take my chances.
 
Let us know how they turn out. I'll be getting up to 120K this year and will need to replace mine per the schedule.

Where did you get them and what was the part number?
 
zig said:
Let us know how they turn out. I'll be getting up to 120K this year and will need to replace mine per the schedule.

Where did you get them and what was the part number?

Got them from sparkplugs.com they actually have the OEM plug (at least for a 05 4runner listed) and the upgraded IX plugs were actually $1.00 cheaper per plug.

I dont remember the actual part number but if you go to either
www.ngk.com or www.sparkplugs.com

they will lead you through to find the plug. NGK.com is really nothing more than an extension of Sparkplugs.com so take your pick on what site you want to try first.
 
Hey guys,

I was looking at the factory service manual for my 03 sport. I read the spark plug section and according to this thing we are suppose to replace the spark plugs every 12,000 miles!! I have 24,000 miles!!

It says that you are to check the gap every so often. If the gap is greater than 1.3 mm, replace them. It also says that we are to never gap the used spark plugs. We do set the gap on the new plugs. I believe it was 1.1 mm.

You know what, I just noticed that you have the 05. Why are you replacing the plugs? Although, these specs are probably the same. Anyone have thoughts?

Joe
 
Just about every spark plug made today comes gapped correctly. Years back, you always had to gap them yourself. I still check before installation, but it
 
30K is about where you want to swap iridium plugs and about 60K for platinum...although they are said to be good till about 100K miles on the plats.

I dont see how toyota who is known for durability could go ahead with plugs that need to be changed every 12K miles..thats just crazy to me.
 
Hey,

I knew it didn't sound right. But, I was surprised. Found in chapter 18 page 3, it has some notes at the top of the page.

1. Never re-gap a used spark plug.
2. Never use wire brush to clean the plug.
3. Spark plug should be replaced every 12,000 miles.

This information pertains to the 2UZ-FE engine. There is an inspection procedure for the plugs as well, but I'm assuming that this is needed every few thousand or something.

Do any of you guys have the FSM? If so, check it out. I'm just reporting what the manual says. I do hear what you guys are saying about the plugs.

Anyway, catch you guys later.

Joe
 
greasefingers said:
Just about every spark plug made today comes gapped correctly. Years back, you always had to gap them yourself. I still check before installation, but it
 
werd..im actually going to gap all the NGK's that showed up tonight on my own so i know they are right.
 

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