When your car's oil has just been changed, it should be at its best, right? So why is it that sometimes after an oil change, ...

Have you been putting off dealing with your car’s check engine light? Many believe this signal is little more than a small ...

Learn what that pesky dashboard light means before heading to the shop, and maybe save some cash in the process.

Some issues can also be less obvious than others. The light is connected to your car's engine control unit (ECU), and is the first indicator of issues with the engine's electronic 'brain'.

If your car or truck’s check engine light is on, there’s a stumble when accelerating, or if the transmission just isn’t ...

By all means, the issues should have stopped once the faulty parts have been replaced, but no. Just 10 km (6 miles) from the ...

Opinions expressed by Forbes Contributors are their own. Jim Gorzelany is a veteran automotive journalist. All vehicles built since 1996 are equipped with what’s called an OBD II (onboard ...