The ignition coils in your car provide the high voltage electrical current that allows your spark plug to create its spark. These parts are humble looking, and they make use of relatively simple ...

The purpose of the ignition system is to ignite, or fire, the spark plugs in order to generate power to run the engine. Most vehicles built prior to 1974 use a non-electronic distributor ignition ...

Here's a frustrating hypothetical: you return home from a long day of work, turn your car off, and move to pull your key out of the ignition. Only, instead of the quick click and removal that usually ...

Causes: This is often caused by a worn-out key, a damaged ignition cylinder, or even a steering wheel that has locked up. Repair: In many cases, the key can be recut or replaced, and if the ignition ...

Most drivers think of the ignition switch as the slot where they insert the key to start their car, but that’s actually the ignition lock cylinder. The ignition switch is a more complex electrical ...

The ignition system’s job is to ignite the air-fuel mixture in a gasoline engine. In addition to the spark plugs that spark in the combustion chambers, the ignition system consists of an ignition coil ...

Engine start-stop buttons used to be a novelty, but now they’re found in most vehicles on the market. While most car ignitions are pretty standard and mundane, some automakers go out of their way to ...

No Ford engine project is complete without a properly functioning ignition system. This system has the important job of delivering the spark to the required cylinder at precisely the right time. Any ...

Just like spark plugs, ignition coils can wear down and become faulty over time. There are many common signs that an ignition coil is getting bad, but one obvious sign is an engine misfire, typically ...

In response to stricter global emissions standards, automakers are looking for new ways to wring every last bit of efficiency out of the internal-combustion engine. In this Engineering Explained video ...