The spark plug, whose function is to discharge high voltage electrical discharge from the high-voltage wire, breakdown the air between the two electrodes of the spark plug, and generate electric sparks to ignite the mixed gas in the cylinder. The basic conditions for high performance engines are high energy and stable spark, mixed mixed gas and high compression ratio.
Nickel material spark plug, usually 30000 kilometers after the drive to go with the change, do not stick to the use of.
The platinum spark plug must be replaced after 40000-50000 kilometers. Of course, if the wear is very large, it should be replaced early.
Iridium spark plugs, material wear resistance, after traveling 100000 kilometers in the replacement, is safe and reliable.