Electric Fuel Pump: Checking

F4R or K4J or K4M

During this operation, it is essential not to smoke and not to bring any incandescent object near the work area.

Beware of fuel spray when disconnecting the fuel supply fitting from the fuel rail.

IMPORTANT Always perform this operation with the ignition switched off.

Protect the alternator from fuel flowing out of the rail and the supply pipe.

K4J, F4R engine

K4M engine

• Disconnect the fuel inlet pipe from the fuel rail.
• Connect:

• the pipe (1) fitted with the gauge from the test kit (Mot. 1311-01), to the "T" fitting of the tool (Mot. 1311-08) (2),
• the "T" fitting to the rail,
• the fuel inlet pipe (3) to the "T" fitting.

• Immerse the hose (1) in a 2000 ml graduated cylinder.

IMPORTANT This operation must be carried out with the ignition switched off.

• Remove the cover from the protection and switching unit.

• Release the electrical connector (4) to the side without disconnecting it.

• Disconnect the brown connector (5) from the protection and switching unit.

• Connect terminal (5) of the brown connector to battery +.

Note: The measured flow rate must be 80 to 120 l/h.