Replace your spark plug or wire is malfunctioning, your car will not run smoothly.
Spark Plugs
iridium, which is said to provide a more efficient combustion. The side electrode varies in shape from brand to brand. Some make theirs double pronged, cylindrical, diamond shaped, etc. claiming they have invented a vastly superior spark plug. But the relative differences are minuscule.
One of the leading causes of hard starting is fouled or dirty spark plugs. For standard spark plugs, the lifespan is about 45,000 miles. For platinum spark plugs, it is 100,000 miles. Keep in mind, spark plugs are not universal, and you need to know the exact size that your car needs.
