Impreza WRX STI F4-2.5L DOHC Turbo (2007)
Spark Plug: Service and Repair
Spark Plug
REMOVAL
CAUTION: All spark plugs installed on an engine, must be of the same heat range.
Spark plug:
NGK: ILFR6B
RH SIDE
1. Disconnect the ground cable from battery.
2. Remove the air cleaner lower case.
