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 ...

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

although what is interesting is that the same engine used outside of the United States and Canada uses oil that ranges from 0W-20 to 20W-50. Two things I would try: There is a new oil (I have not ...

Newer automotive gasoline engines require the use of SAE 5W-30, 5W-20 or 0W-20 passenger car motor oil (PCMO) grades, dependent on manufacturer recommendations.” In addition, diesel engine oil ...