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 bad ...

Spark plugs may be small, but they play a huge role in how your engine performs. These components ignite the air-fuel mixture ...

Side gapping your car's spark plugs could result in some modest performance gains. Here's what it means, how to do it, and ...