This is how the spark plug and ignition coil work together to start the car. Since they go hand-in-hand, you should have a mechanic check on your ignition coils when they change your spark plugs ...

If an ignition coil becomes faulty, drivers may experience a lack of power during acceleration or notice excessive exhaust emissions. If any of these symptoms are observed, it is essential to have the ...

Spark plugs have a pretty predictable life cycle, but ignition coils can be harder to track. Here's how to tell if an ignition coil is on its way out.