Spark Plug for 4AGE BT 20v engine is IK20.
For further information, u may refer this website
http://www.globaldenso.com/en/products/aftermarket/plug/basic_knowledge/heatrange/index.html
I need some advice..
Few days ago, my exhaust emits white smoke while driving for 5 minutes of
maintaining speed at 140km/h~150km/h range.
If the speed is reduced to 120km/h~130km/h range, no more white...