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 ...

Have you ever wondered how fuel gets from the tank of a car to its engine? Well, for a diesel engine, it all starts with the lift pump, which is a low-pressure pump that draws the fuel up and out of ...

From trying to remember which side your gas tank is on to issues with the pump mysteriously clicking off, a quick fill-up isn't always straightforward. Fortunately, there are some reasons why the pump ...