Using this PowerFlo lift pump is straightforward. First, make sure your vehicle is a 2020 - 2024 Dodge Ram with a 6.7L Cummins engine and has the factory - installed 50 - gallon fuel tank. This pump won't work with aftermarket oversized fuel tanks or cab & chassis applications. When it comes to operating, the pump runs at an idle pressure of 18 - 20 psi. As for maintenance, keep an eye on the factory water - in - fuel sensor and fuel heater that the pump retains. If you notice any issues with the flow or performance, it might be time to check the gerotor pumps. Just follow these simple steps and your engine will get the reliable fuel flow it needs.