Spark Plug Removal/Installation

CAUTION:

If a spark plug that is not as specified is installed, engine performance will be deteriorated. Install only the specified spark plug when replacing.

Disconnect the negative battery cable.
Remove the charge air cooler. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION ).
Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION ).
Remove the spark plug using a plug-wrench.
Install in the reverse order of removal.
Tightening torque

10-14 N.m {1.1-1.4 kgf.m, 8.0-10.3 ft.lbf}