A windings road:It all starts with the concepts of inductance and electromagnetism. Inside an ignition coil there are two sets of wire windings (aka coils, that's why it's called a "coil," get it?).

It’s quite inconvenient to refill your gas tank more than usual. Engine misfires can also be annoying. But before you take your car to the auto shop to see what’s wrong, check your ignition coils.

One of the main differences in regular maintenance between a gasoline and a diesel-powered car is replacing the spark plugs. While diesel engines rely on compression to create ignition, and thus ...