Fuel Pressure: Testing and Inspection

Fuel System Pressure Check

All vehicles

NOTE:
This procedure is for the installation of the adaptor into the fuel line due to the removal of the schraeder valve from the fuel line.
1
WARNING: Place the vehicle in a quarantined area and arrange "No Smoking/Petrol Fumes" signs about the vehicle.
WARNING: Before any work is carried out on the fuel system, ground the vehicle to earth and maintain the ground connection until the work is complete.
WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel related components. Highly flammable vapors are always present and may ignite. Failure to follow these instructions may result in personal injury.
WARNING: Do not carry or operate cellular phones when working on or near any fuel related components. Highly flammable vapors are always present and may ignite. Failure to follow these instructions may result in personal injury.
WARNING: The fuel system remains pressurized for a long time after the ignition is switched off. The fuel pressure must be relieved before attempting any repairs. Failure to follow these instructions may result in personal injury.
WARNING: This procedure involves fuel handling. Be prepared for fuel spillage at all times and always observe fuel handling precautions. Failure to follow these instructions may result in personal injury.
WARNING: After carrying out repairs, the fuel system must be checked visually for leaks. Failure to follow these instructions may result in personal injury.
Disconnect the battery ground cable. For additional information, refer to Battery Disconnect
2 Remove the engine cover.

Vehicles with 2.5L or 3.0L engine
3 Remove the air cleaner outlet pipe. For additional information, refer to Air Cleaner Outlet Pipe - VIN Range: N52048->N99999




4 Detach the power steering fluid reservoir and reposition.

Vehicles with supercharger




5 Disconnect the electrical connector.

All vehicles
6 Disconnect the fuel rail feed pipe. For additional information, refer to Spring Lock Couplings Spring Lock Couplings

Vehicles with 2.5L or 3.0L engine




7
NOTE:
Make sure the special tool is fully seated to the fuel pipe connections.
Install the special tool.

Vehicles with supercharger




8
NOTE:
Make sure the special tool is fully seated to the fuel pipe connections.
Install the special tool.

Vehicles with 4.0L or 4.2L engine without supercharger




9
NOTE:
Make sure the special tool is fully seated to the fuel pipe connections.
Install the special tool.

All vehicles





10
NOTE:
Vehicles with supercharger shown, others vehicles similar.
Install the fuel pressure gauge.

Vehicles with 2.5L or 3.0L engine

11 Install the air cleaner outlet pipe. For additional information, refer to Air Cleaner Outlet Pipe - VIN Range: N52048->N99999

All vehicles

12 Connect the battery ground cable. For additional information, refer to Battery Connect

13 Carry out the fuel system pressure check. For additional information, refer to Fuel Charging and Controls - VIN Range: N52048->N99999
For additional information, refer to Fuel Charging and Controls - VIN Range: N52048->N99999