Sonata V6-3.0L (1991)
Spark Plug: Adjustments
Spark Plug Gap
Remove the spark plugs and check the gap using a wire gap gauge, and adjust if necessary.
Standard value: 1.0-1.1mm (0.039-0.043in.)
Reinstall and tighten to specified torque.
Spark plug torque: 20-30Nm (204-306kg.cm, 15-21lb.ft)