Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. You’ll usually know when it’s time to take your car, truck or sport-utility ...

Cylinder misfires can turn a smooth commute into a rough, fuel‑wasting slog, and they almost always leave a trail of ...

Swapping spark plugs seems straightforward, but are you overlooking a critical part? How long do ignition coils last, and ...

That ignition coil failure problem initially thought to affect only Volkswagen and Audi 1.8-liter turbocharged engines in 2001 and 2002 models is appearing on some 2002 3.0-liter models, though not at ...