This automotive tutorial demonstrates a comprehensive ignition system upgrade and check engine light fix on a performance hatchback. The process involves replacing a faulty emissions purge valve ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

Around 1975, General Motors made a significant advancement in stock passenger ignition technology: the High Energy Ignition (HEI). One of its major features was installation simplicity. The coil was ...

Distributors used to be a fixture on car engines, but they were replaced by coil packs somewhere in the 1980s. Here's why ...

How does spark plug timing work? An explanation of automotive ignition systems. Ignition coils, distributors, and firing intervals all play an important role in ignition. Note: The cylinder order from ...

With pre-chamber ignition technology growing in popularity due to its performance and efficiency benefits, Mahle Powertrain’s new jet ignition system (MJI) is here to improve engines while having no ...

For optimum engine performance, it is necessary to have an ignition system that is on point. You see the whole purpose of your ignition system is to transform your battery's low voltage into the ...

As the engines in America's production automobiles become more powerful with each succeeding year, it becomes increasingly difficult for engine and accessory designers to cope with some of 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 ...