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

Ignition coils sit at the center of every gasoline engine’s spark, yet they usually stay invisible until something goes wrong ...

Whether you service your own ignition or need more troubleshooting savvy for road rallies and cruising, this month's lesson focuses on spark and ignition system basics. Understanding ignition ...

Without a solid spark your gasoline car will feel lazy, and your wallet will be empty. Optimizing your ignition is an easy and rewarding task that is not being taught to late model enthusiasts, so let ...

Older models of cars used to rely on distributor-based ignition systems. Today, though, modern vehicles rely on coil packs ...

All combustion type engines require two variables to make power-air and fuel (gas, alcohol, methanol, etc). More air and fuel in the combustion chamber means more power potential. However, in reality ...

DEAR CAR TALK: I have a 1989 Pontiac Grand Am LE with 154,000 miles on it. I can accelerate slowly and it runs fine, but if I step on the gas, it sputters and backfires through the throttle body. It ...

Heat initiates the internal combustion process. Diesel engines utilize the temperature buildup from extremely high compression (pressure) to ignite the air/fuel mixture, with a little help from glow ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...