Just replaced all spark plugs on my CX-9, NGK Iridium IX plugs.
Using the info on this forum, I replaced out my spark plugs on my 2009 CX-9 @ 110,161miles.
This was what I did...
1. Disconnect and remove battery. Put aside.
2. Undo oil filler cap. Put aside.
3. Holding engine cover on the...