Diesel engines are often harder for home mechanics to repair, as parts are heavier and more expensive due to how diesels ...

Modern engines are far more advanced than those of previous decades, yet mechanics continue to see a familiar pattern: many premature engine failures are not caused by manufacturing defects, but by ...

Many experienced mechanics don't rely solely on diagnostic scanners and ECU codes to predict or triage faults. Long before OBD-II ports and scan tools became common, experienced technicians learned to ...

Forbes contributors publish independent expert analyses and insights. Michael Harley is a leading automotive industry expert and analyst. Opening the hood may be intimidating, but not to a certified ...

Engines rarely fail out of nowhere. They usually send warning signals long before disaster strikes, but many drivers miss them because the issue hides in plain sight. One of the most overlooked ...

Engines fail quietly when small habits go wrong, and topping off oil incorrectly sits at the top of that list. Many drivers assume adding a little extra oil always helps, but mechanics see a different ...

The warning light can return even after an expensive repair. Here’s what your car may be trying to tell you.