You might be relying heavily on your engine hours and overall mileage to determine when to perform maintenance, but you should pay attention to idle hours, too.

You may have noticed that diesel drivers tend to idle their engines after driving, typically when finishing a journey, instead of switching off the engine immediately. This action may seem lazy or ...

Why does my 1994 Mazda 929’s engine intermittently rev or surge when I first start it? This could be something to do with the engine’s idle-air control valve which plays an important role in making ...

General Motors’ Ecotec engines promised fuel efficiency and delivered… well, sometimes. What they also delivered was a masterclass in mechanical “opportunities.” These complaints are recurring themes ...

Truckers have been looking for ways to reduce heavy-duty truck idling, with its wasted fuel and engine wear and tear, since the 1940s. Idle-reduction technology has advanced from engine block heaters ...