You don't have to pay lots of money to have them replaced if you do it yourself.
Inspecting Spark Plugs
It's always best to inspect your spark plugs in the case of a misfire or even when doing a routine change. Your spark plugs can give you a lot of information about the way your motor is running.
Inspecting Spark Plugs
It's always best to inspect your spark plugs in the case of a misfire or even when doing a routine change. Your spark plugs can give you a lot of information about the way your motor is running.