Think of motor oil as the life’s blood of your car’s engine. Checking it on a regular basis is a key part of keeping your engine running well and getting the most miles out of it. The oil lubricates ...

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 ...

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 ...

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

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 ...

When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...

For those who aren't avid automotive enthusiasts, a vehicle's engine probably isn't at the forefront of your mind too often. You slip into the driver's seat, start the car and head to your destination ...

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 ...

Consumer Reports has no financial relationship with advertisers on this site. Consumer Reports has no financial relationship with advertisers on this site. Think of motor oil as the life’s blood of ...