An ignition coil takes voltage from the battery and multiplies it to create a spark at the spark plugs, which in turn ignites the engine. Cars have been using some form of the coil ignition system for ...

If you're a follower of the "How It Works" series, you've been learning the principles of what makes a car run. You've boned up on the four-stroke cycle, valvetrains, cooling, lubrication, and ...

Over the past few years, we have run across some teams who, for the goal of attaining maximum power, chose to run without an alternator. We started thinking about that and decided to see if there were ...

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 ...

Changing spark plugs is standard maintenance on gasoline-powered cars. While you could clean and reuse old ones, it's not ...