Pennzoil specifically warns against using different oil weights -- the number following the dash -- in your car's engine. It's acceptable to use 0W-20 engine oil in place of 5W-20 or even 10W-20 ...

If you've worked with cars for a while or have owned a few, you probably know that different vehicles use different types and ...

One Tacoma owner ditched Toyota’s recommended oil for something thicker, and the results have sparked a heated debate. Is ...

I do not see any oil in the radiator. We use 0W-20 conventional oil. Is there anything I could add to the oil to help slow the oil consumption? A: You are using the correct grade of oil for the ...

Oils do more than just lubricate our cars’ engines—they help protect all the internal components and keep the powertrain ...