Ignition coils last far longer than spark plugs and only need replacement when symptoms appear. Here’s how to tell if coils ...

While most engines have the same number of spark plugs and cylinders, some four-cylinder blocks have two plugs for each ...

If there is a component on a Pontiac engine that gets little or no thought, it's the spark plug. We refuse to spend much money or time on them, but unless your Pontiac is powered by a GM diesel, the ...

The automotive industry continues to be a hotbed of innovation, with activity driven by the increasing penetration of electronics into vehicle systems to make mobility safer and intelligent and ...

The distributor is the brain of the ignition system. As such, it has a profound influence on the performance of an engine. Understanding the workings of a distributor is the key to assuring proper ...

However, not all innovations are equal, and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early ...

There are several instances where knowing the location of cylinder number 1 matters, especially for DIY enthusiasts. It's not just trivia, but crucial when diagnosing engine misfires, replacing spark ...