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

The distributor has two jobs: to house a switch that tells the coil when to send a spark, and to send that spark to each individual cylinder in the correct order. The distributor shaft is spun by the ...

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

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 ...

Worn ignition component gremlins are mysterious little buggers. Ignition misfires can be confused with fuel mixture or delivery problems. Even ambient humidity can affect the ignition system—making a ...