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

We may receive a commission on purchases made from links. It's never fun to have a generator break down. These energy-producing appliances can be a convenience when camping or doing labor off the grid ...

There's something oddly satisfying about pulling an old spark plug out of an engine, but what do you do with the plug once it's out? Maybe you're having second thoughts about changing the spark plug ...