The post How to Test a Spark Plug to See If It’s Working appeared first on Family Handyman.

Why are we performing a spark plug test? Spark plugs are cheap ... distributor, or spark plug wire. So, if you fall into the habit of throwing parts at a car until it works again, you can wind ...

Pull off the spark plug wire and remove the plug using a socket wrench and a 13/16″ spark plug socket. Check the color of the ...