Nissan sports cars have a humble beginning, but the way they have evolved over the decades is something special.

The regulator controls fuel pressure for your engine. When it goes bad, signs include misfires, black exhaust smoke, stalling ...

While Porsche is synonymous with boxer engines, here's how the automaker was able to extract big performance from a 2.0-liter ...

Without a diagnostic tool, it's challenging to determine what is wrong with your car and whether to keep driving when a solid ...