Whether you know a lot about cars or nothing about them, it's never fun to see the check-engine light—also known as a malfunction indicator light (MIL). This is your car trying to tell you it has ...

Turn your smartphone into a professional car diagnostic tool with a $15-30 OBD2 adapter and free apps that read engine codes ...

If you're a fan of diesel-powered trucks, chances are you've heard of Cummins engines. Although Cummins engines can be found in everything from commercial trucks to boats and mining equipment, the ...

There's a fair bit of science behind how engine turbochargers do what they do (air pressure, compression, fuel burn efficiency, etc.), but basically it will improve an engine's power by around 30 to ...

As engines get very hot, coolant helps distribute heat to help prevent overheating and engine damage. It also adds antifreeze protection and acts as a lubricant for some of the engine’s components. If ...

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 ...