For years, warming up a car in sub-zero temperatures on a cold winter morning has been almost like a ritual. Motorists ...

While it’s normal for a car to be idling high when it’s first started, if the idle doesn’t drop to normal after a minute or two, something’s probably wrong. That initial temporary high idle, which is ...

It seems harmless to let your car sit and run to warm up, but here’s why experts suggest avoiding this old habit.

Across the country, a winter habit that feels harmless can quietly put drivers on the wrong side of the law. Dozens of states ...

Engine cylinders can misfire due to problems with the ignition system, the fuel system, air and compression, or sensors and ...

A truck idles when its engine runs without moving the vehicle. Trucks idle regularly throughout the course of a haul, and more than one million long-haul heavy-duty trucks idle during rest periods ...