Fuel System Pressure Release

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

A separate fuel pump relay is no longer used. A circuit within the Power Distribution Center (PDC) is used to control the electric fuel pump located within the fuel pump module.

Remove the fuel fill cap.
Remove the cover (1) from the housing base (2).
Remove fuse from the PDC.
Start and run the engine until it stalls.
Attempt restarting the engine until it will no longer start.
Turn the ignition key to the OFF position.

Fig 1: Fuel Supply Line Quick Connect Fitting At Fuel Rail
Courtesy of CHRYSLER GROUP, LLC

CAUTION:
Before separating a Quick-Connect fitting, pay attention to what type of fitting is being used. This will prevent unnecessary fitting or fitting latch breakage.

NOTE:
Excessive fuel spillage onto the gaskets can cause gaskets to expand and dislodge from gasket groove.
Place a rag or towel below the fuel line quick-connect fitting at the fuel rail.
Disconnect the fuel line quick-connect fitting at the fuel rail (1) and plug with a shipping cap to prevent spillage Refer to STANDARD PROCEDURE - QUICK-CONNECT FITTINGS .

NOTE:

One or more Diagnostic Trouble Codes (DTC's) may have been stored in the PCM memory due to disconnecting fuel pump module circuit. A diagnostic scan tool must be used to erase a DTC.