We here at GM Authority get a lot of questions from owners asking about about the recent L87 GM engine recall, one of the most common of which is what happens when an affected vehicle passes GM’s ...

With vehicles powered by electricity and alternative fuels like emission-reducing biodiesel becoming available to drivers everywhere, moves to lessen humanity's reliance on fossil fuels are starting ...

A check engine light and traction control light appearing together often indicates a failed wheel speed sensor. Most vehicle manufacturers recommend changing engine oil yearly, even for cars driven ...

Engine oil is crucial to making sure a motor vehicle runs properly and helps keep the engine working efficiently over time.

Do you take a lot of short trips in your vehicle? When I say short here I mean between 5 to 10 miles or under 15 minutes. You know, short hops here and there to the store, school, or work. You ...

Safety, performance, aesthetics, noise, comfort, reliability, and durability are the goals that keep automotive engineers up at night, and the miracle solution has, so far, been "more plastic." ...

Are pickup truck engines the same as those used in normal passenger or sports cars? The answer is both yes and no. Physically, at least, there's usually little that separates an engine in a truck's ...

Smaller, more powerful and fuel-efficient engines don’t seem to have great long term reliability. Engine recalls from major automakers such as GM, Toyota and Honda have cost billions of dollars. Moves ...