Coconut oil can go bad BEFORE its expiration date. Since coconut oil is all the rage for cooking and for beauty care , here’s how you can tell if your precious jar of coconut oil has gone bad!

Motor oil is a key to your car, lubricating parts that mustn't grind together. And there are lots of potential signals to tell you if it has gone bad.

Oil analysis isn't meant for finding nuts and bolts in the oil pan-that's what magnets are for. Rather, ... and can enter the engine through loose connections or bad filters.

There are 4 major enemies of olive oil, experts say. Here’s how to protect your liquid gold. There are 4 major enemies of olive oil, experts say.

Fresh olive oil has a notorious grassy-like aroma and an herbaceous taste, but bad olive oil will smell rancid and stale. Some people even say it tastes like eating crayons or wax.

Fresh olive oil has a pleasant, herbaceous scent. If the smell changes and you catch a waxy, crayon-like odour, that's a clear sign it's gone bad. Some might even have a musty, damp wood scent. Before ...

Once, dipsticks were the go-to method for checking oil levels and finding out if your oil has gone bad. But as odd as it may sound, many cars don't come with dipsticks anymore.