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 ...

In this video, I’ll show you exactly how to test your BMW spark plugs, ignition coils, and coil wiring without needing a ...

to get started he needed a test subject, so he decided he would upgrade his old 12 horsepower lawnmower. Originally the lawnmower engine used a magneto coil ignition system, magnetos are simple ...