Fuel System Pressure Release Procedure

WARNING: This page is about a different car, the 2022 Chrysler Voyager and 2022 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

The fuel system is under constant high pressure even with engine off. Until the fuel pressure has been properly relieved from the system, do not attempt to open the fuel system. Do not smoke or use open flames/sparks when servicing the fuel system. Wear protective clothing and eye protection. Make sure the area in which the vehicle is being serviced is in a well ventilated area and free of flames/sparks.

Reposition the floor carpet to expose the fuel pump module access cover. Refer to CARPET, REMOVAL AND INSTALLATION .

Courtesy of CHRYSLER GROUP, LLC
Remove the fasteners (1) and the fuel pump module access cover.

Courtesy of CHRYSLER GROUP, LLC
Disconnect the fuel pump module wire harness connector (1).
Start and run the engine until it stalls.
Attempt restarting the engine until it will no longer run.
Turn the ignition key to the OFF position.
CAUTION:
When removing the fuel supply line from the fuel inlet tube at the fuel rail, care must be taken that the fuel inlet tube is not being over-flexed. Damage to the fuel rail inlet tube may occur.
Place a rag or towel below fuel line quick-connect fitting at fuel rail.
Disconnect the quick-connect fitting at fuel rail. Refer to FITTING, QUICK CONNECT, STANDARD PROCEDURE .

NOTE:

After servicing the fuel system, one or more Diagnostic Trouble Codes (DTC's) may have been stored in Powertrain Control Module (PCM) memory due to disconnecting fuel pump module circuit. A diagnostic scan tool must be used to erase a DTC.