spark plug change at 36months on a 2006?

[chippr]

Am I reading the maintenance guide correctly? Change plugs at 36 months??

Thanks

 

[owen4runner]

Yes. I assume you have the V6 like I do.

 

[dingo]

Yep. 36 months or 30k miles whichever comes first for the V6.

 

[chippr]

wow....I'm suprised by that. Anyone have any clue as to why?

Thanks

 

[jharris2]

wow....I'm suprised by that. Anyone have any clue as to why?

Thanks

They are not iridium plugs.

And expect half to be NGK, half Denso.

 

[claydoctor]

I know I should know this but as I recall, the V8 engine says change at 100K. Is that because the V8 uses Iridium from the factory and the V6 does not and by simple deduction if I use Iridium in my V6, can I go 100K miles between changes? Also, on the Denso site for the V6, they list the "traditional" plug at $3.42 and two different Iridium plugs, one called the Iridium Long Life and the other just called Iridium. Both are in the $11-$12 range per plug. Why two different Iridium plugs?