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
Hi. Can help me? My original ECU (MD197781) is dead. I replace it to MD174840. Engine run but work not stable - turn float and light "check engine". What ECU I can install on my engine (4G93 SOHC) and I can do make...