Your car’s performance depends on precise control of air, fuel, and spark, and vacuum leaks quietly disrupt that balance.

One of the first modifications many enthusiasts make to their ride is adding a cold-air intake. This replaces the stock intake, a complex, convoluted contraption of pipes and baffles that keep the ...

I do not want to run the air conditioner on warmer days. I have the vents on “outside” air, but the air coming thru the vents is warm … very warm.

If you've watched a car movie like the "Fast and the Furious" franchise in recent years, you might've noticed them pressing a button and the car suddenly getting a massive boost in engine power. When ...

Modern engines are cleaner and more efficient than the ones you grew up with, yet many drivers are discovering a new headache ...