The crankshaft is essential to your engine. It converts the pistons' up-and-down movement into the spinning force powering your car. If damaged or broken, your engine won’t run properly—or at...

Keeping your tires at the right air pressure is one of the simplest ways to care for your car, save gas, and stay safe. Whether you drive a small car or an SUV, proper tire pressure helps your tires...

Car’s evaporative emission system (EVAP) works silently to prevent harmful fuel vapors from escaping into the atmosphere. When issues arise, your car’s performance, finances, the environment, and...

If you’ve ever looked under your car’s hood or watched a car repair video, you’ve probably heard the term “flywheel.” But do automatic cars actually have flywheels? Manual transmission cars...

Knowing how to read your tire size is a basic skill every driver should have, even if you never plan to change your own tires. As any mechanic will tell you, the right tire size affects how your car...

A spark plug may be tiny, but it's crucial for engine performance. Its job is to ignite the air-fuel mix, so your car runs smoothly. If oil covers the spark plug, it can't spark properly—leading to...