Solenoid, Fuel Pressure: Description: Description
WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
The fuel pressure solenoid is attached to the rear of the fuel rail. The pressure solenoid is a serviceable item. The solenoid controls and maintains constant rail pressure with a control current transmitted by the Powertrain Control Module (PCM).