Spark plug replacement

[LL21]

Just want to make sure on this. Is the recommended spark plug replacement for the V6 at 30,000 mile invervals? Just seems a bit excessive. Are you guys changing out your spark plugs at 30k miles on the V6?

 

[jharris2]

Yes and yes. Better to spend a few bucks and follow the published maintenance intervals than to have a problem.

 

[<<<<]

Dont forget this V6 has 10:1 compression ratio. Those spark plugs need to be in good shape.

 

[gilligan79]

Yes, I did mine a few thousand over and they need it. one side will be ngk and the others will be denso. It is almost like they are testing the plugs against one another. I think the denso's had some life left int them. I will buy irridium the next time.

 

[CJ3Flyr]

http://www.toyota-4runner.org/showthread.php?s=&threadid=45557