One of the most critical links in your vehicle's powertrain is the secondary electrical system-the high-voltage circuit that distributes good, fat, well-timed sparks to the cylinders to light the fire ...

As long as there have been internal combustion engines, there has been a need for an ignition system to ignite the air and fuel mixture in the cylinders. From the earliest days of automotive ignitions ...

Have you ever put much thought into the specifics of your car's ignition system-above and beyond the simple fact of whether it's working or not, that is? More specifically, how about those spark plug ...