The EGR in a diesel engine plays a significant role in your vehicle's overall performance, but what is it exactly? Here's everything you need to know.

Lifter tick in your vehicle stems from issues with the engine's mechanical or hydraulic lifters. Here's what causes this sound and how you can fix it.

The EGR valve — which works differently depending on how old the car is and whether it uses gasoline or diesel fuel — is a key component to a car’s exhaust system and engine health.” ...