Diesel engines in trucks and some passenger vehicles can derate power and go into limp mode, and this can be caused by a ...

Motor oil has a new standard for gasoline engines, with better protection against LSPI, piston deposits, timing chain wear, ...

Can stuck piston rings be restored without teardown? A 500,000-mile Valvoline engine test shows how deposit removal may ...

Top-Fives: 2; Top-10s: 6. Root for the Home Team: Niece Motorsports’ founder, Al Niece, calls Texas Motor Speedway his home race. Niece Equipment is headquartered in Buda, TX, and has another location ...

Choosing the right engine oil and knowing when to change it can make all the difference in your car’s performance and longevity. From synthetic vs. conventional debates to matching viscosity grades ...

There's a tangible, almost psychological effect to looking through fresh, clean glass. In older cars, for instance, you ...