Because we are highlighting two different ways to test plugs, there are variable safety considerations. One of which only requires a multimeter, but the other involves working with an exposed plug ...

Retry the test after the engine has cooled down. The post How To Test Your Car’s Coolant With a Multimeter appeared first on Family Handyman.

In this video, I’ll show you exactly how to test your BMW spark plugs, ignition coils, and coil wiring without needing a multimeter—just using the kit provided. Whether it’s a misfire ...