Question: I have a 2006 Kia Sedona, and it randomly misfires roughly once for every week of normal driving and once after each carwash. When it happens, I pull over and shut off the car. Then, I turn ...

Most spark plugs come from the factory with a pre-set plug gap that is recommended for the application. Experimenting with wider or tighter gaps is one way to dial in your engine’s performance, but ...

Spark plug testers aren't entirely necessary, but they can provide convenience when you're specifically trying to figure out ...

Modern vehicles feature intricate systems, with spark plugs and ignition coils playing crucial roles in engine performance, ...