Attach the spark plug to a spark plug tester, then connect the tester to the ignition wire. Start the engine and observe the ...

The plug is con nected to the ignition coil that generates the high voltage needed to spark the fuel and create combustion within your engine.

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, or ...

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, bad ...

Read all about the process of reconfiguring a spark plug as well as a ignition system. Only at Classic Trucks Magazine!

Read our expert, in-depth guide on how to check and change spark plugs on your motorcycle with MCN - one of the most important components in any petrol engine.

This article deals with flame rectification as it applies to direct spark ignition (DSI) modules. They are manufactured by a few different companies — Fenwal, Honeywell, Robertshaw, and White Rodgers, ...