Checking your engine oil level is a quick, easy task that’s a crucial part of car maintenance. Keeping the right amount of oil in your engine will increase its longevity regardless of age, cylinder ...

Your engine oil is as essential to your car as your blood is to your body. Without it, your motor won’t run. And just like a doctor can tell a lot about your health by testing your blood, you can ...

Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

Oil is the lifeblood of your car’s engine. Staying on top of your oil status may be a car owner’s most important maintenance task. It’s a check that remains relatively simple despite other areas of ...

Motor oil is the lifeblood of your car's engine. Not only does it provide lubrication for all of your engine's internal moving parts — of which there are massive amounts — but it also works like a ...

So your car’s oil pressure gauge is behaving like a metronome or, worse yet, has flatlined altogether and you want to check the pressure manually? Wunderbar. Your engine’s oil pressure is vital to its ...

Semi-regular oil changes are (or should be) a regular part of car ownership, with some drivers going to a mechanic for the service and others opting to do it themselves. Changing your own oil comes ...

Too much oil can cause low oil pressure just like too little oil. A ticking sound or a low oil-pressure light could indicate too much oil is in the engine. Drain off excess oil to avoid damage to your ...

You’re driving along in your car or truck and suddenly a yellow light illuminates on your dash telling you to check or service your engine. If you’re like most car owners, you have little idea about ...

Motor oil is an essential element of the engine. It plays a major part in lubricating the moving parts and helps reduce deposit build-up, prolonging the service life along the way. If you don't change ...