How To Change/Replace Spark Plugs
The Cousin Dan shows you how to replace old worn out spark plugs in your car. It's a simple task, but unless you only have worn out plugs from long-time use then there is a cause to the failure. Below is a link to a renown spark plug company's website describing the ways to identify which type of failure you have.
http://www.ngk.com.au/spark-plugs/tec...