Fuel Pressure Release: Service and Repair

Fuel System Pressure Release

WARNING: Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

WARNING: Before working on or disconnecting any of the fuel tubes or fuel system components, relieve the fuel system pressure to prevent accidental spraying of fuel. Fuel in the fuel system remains under high pressure, even when the engine is not running. Failure to follow this instruction may result in serious personal injury.

WARNING: When handling fuel, always observe fuel handling precautions and be prepared in the event of fuel spillage. Spilled fuel may be ignited by hot vehicle components or other ignition sources. Failure to follow these instructions may result in serious personal injury.

WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

NOTE: Refer to Description and Operation, Intelligent Access with Push Button Start in Antitheft and Alarm Systems to review the procedures for achieving the various ignition states (ignition OFF, ignition in ACCESSORY, ignition ON and ignition START) on vehicles with this feature.

All vehicles

1. NOTE: The Fuel Pump (FP) control module is mounted to the panel behind the rear seat backrest cushion. The FP (Fuel Pump) control module electrical connector can be accessed through the luggage compartment.
Disconnect the FP (Fuel Pump) module electrical connector.


2. Start the engine and allow it to idle until it stalls.

3. Turn the ignition to the OFF position.

Gasoline Turbocharged Direct Injection (GTDI) equipped vehicles

4. NOTE: On vehicles equipped with Gasoline Turbocharged Direct Injection (GTDI), it is necessary to release the high pressure fuel system prior to disconnecting a low pressure fuel tube quick connect coupling.

NOTE: To release the fuel pressure in the high pressure fuel tube, wrap the flare nut with a shop towel to absorb any residual fuel pressure during the loosening of the flare nut.
Disconnect the high pressure fuel tube-to-fuel injection pump flare nut to release the fuel pressure.


5. Connect the high pressure fuel tube-to-fuel injection pump flare nut.
- Tighten to 30 Nm (22 lb-ft).


All vehicles

6. When the fuel system service is complete, reconnect the FP (Fuel Pump) control module electrical connector.





7. NOTE: It may take more than one ignition cycle to pressurize the fuel system.
Cycle the ignition and wait 3 seconds to pressurize the fuel system.


8. NOTE: Carry out an ignition ON engine OFF visual inspection for fuel leaks prior to starting the engine.
Start the engine and check for leaks.