An overheating car engine should be a cause for worry. A mechanic will have you know that driving a car with an overheated engine can destroy the engine block or internal parts. It is usual for a ...

Your engine feels calm at a stoplight because a hidden idle system keeps fuel, air, and spark in balance. That quiet stability is not luck, it is the result of sensors, valves, and software working ...

Modern diesel engines perform exceptionally well at 1,100 to 1,200 rpm. They deliver peak torque just a few hundred rpm above idle, and peak horsepower somewhere around 1,500 or 1,600 rpm. But what ...

If you consider your spark plugs little more than disposable engine parts to be replaced for every event or two, you're missing out on a valuable engine-tuning tool. Not only can the correct plug ...