Join Date: Jan 2008
Location: Rio Grande Valley TX
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If you get a check engine light with those plugs get rid of them and go with the correct iridium plug for that engine. I know that Hondas do not like those plugs one bit and they cause problems. It remains to be seen on your 2.4l how they will fare.
Do you use any oil or fuel additives? That can also cause the ash deposit. It might be worth changing brands of fuel.
Old Bird......sometimes wise
2008 Base V-6 front wheel drive
2008 Limited V-6 front wheel drive
Both with Tow Prep Package
Last edited by RTexasF; 07-10-2011 at 02:19 PM.