Spark plugs are one of those small, often overlooked components of your car that play a critical role in its operation. Despite their size, they are essential to the functionality of your vehicle's engine. If you’re not familiar with what spark plugs do or why they’re important, this article will provide a detailed look into their purpose, how they work, when they should be replaced, and the signs that indicate they may be going bad. What Are Spark Plugs? Spark plugs are devices located in the cylinder head of an internal combustion engine. They deliver electric current from the ignition system to the combustion chamber to ignite the air-fuel mixture inside the engine. This ignition is what powers your vehicle. Each cylinder in your engine has its own spark plug, and together, they keep the engine running smoothly. Spark plugs might seem like simple components, but they are engineered to withstand extreme conditions inside the engine. They end ... read more