Noob here.

OBD II code: P301


2006 Civic w/ 148,000 miles. fresh Denso Iridium plugs at 101,000. therefore only 50,000 miles on new plugs. One owner. As of 5-11-12 Fresh oil change, Coolent within operating range.




from the research on white tips i have found the following: coolent (fins not working properly,low), headgasket, leaking, low oil, low octane.


Anything you DIY or mechanic can help out with?????

Thanks!

-z



Any suggestions for 2006- up models>???

 

https://picasaweb.google.com/1059540...74654341588610


pic of plugs

 

is this still within normal operatiing range? specifically color wise?

 

can you feel the misfire? what happened prior to the miss? first plug looks a little dark with buildup... try and swap the coils around and see if the misfire changes cylinders.