If you browse forums often, chances are you've come across some heated discussions around the CP4 fuel pump. The CP4, short for "Common Rail Pump 4," is a high-pressure fuel injection pump that made ...

Your fuel pump pushes fuel from your gas tank through your fuel lines to your engine. Then, your fuel injectors are responsible for spraying just the right amount of gas into your combustion chambers ...

Gas can get expensive, and there are many tips on how to maximize a tank of gas while paying as little as possible. But how ...