Subaru Workshop Service and Repair Manuals

Spark Plug: Specifications

EMISSIONS SPECIFICATIONS

CO (%).........................................................................................................................................................................................................................0.1 max
HC (ppm).....................................................................................................................................................................................................................200 max

IGNITION TIMING SPECIFICATIONS

Manual transmission............................................................................................................................................................................................20° /750 rpm
Automatic transmission........................................................................................................................................................................................20° /750 rpm

SPARK PLUGS

Gap..............................................................................................................................................................................................1.0-1.1 mm (0.039-0.043 in)

TORQUE SPECIFICATIONS

Oxygen sensor......................................................................................................................................................................................25-34 Nm (18-25 ft lb)
Spark plugs...........................................................................................................................................................................................18-24 Nm (13-17 ft lb)