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 ...

In this video, I show you how to test spark plugs and coils on any car, even if the spark plugs are recessed or hard to reach. Whether you're troubleshooting engine misfires, poor performance ...