Push-button start may be common today, but it wasn't always the dominant way to crank an engine. Push-button start systems and ignition key systems activate the same process in different ways. Do you ...

From flickering lights to a dead starter, car electrical issues can be frustrating and costly if misdiagnosed. Learning the right tools, techniques, and step-by-step strategies can save you time, ...

Engines need spark plugs to burn their air/fuel mixture, and the spark plugs need a jolt of electricity to do their work. Older cars with conventional distributor-based ignition systems did it by ...

If your Mercedes is running rough, shaking, or flashing the check engine light, a failing ignition coil could be the culprit. With the right tools, many owners can replace coils themselves in under an ...