Mazdaspeed6 L4-2.3L Turbo (2006)
Spark Plug: Service and Repair
SPARK PLUG REMOVAL/INSTALLATION [L3 WITH TC]
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.
1. Disconnect the negative battery cable.
2. Remove the charge air cooler.
3. Remove the ignition coils.
4. Remove the spark plug using a plug-wrench.
5. Install in the reverse order of removal.
Tightening torque: 10-14 N.m {1.1-1.4 kgf.m, 8.0-10.3ft.lbf}
