Spark Plug: Removal: Notes
WARNING: This page is about a different car, the 2006 Subaru Outback and 2006 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
All spark plugs installed on an engine must be of the same heat range.
Spark plug:
< Ref. to SPECIFICATION , General Description. >