Fuel System, Bleeding and First Time Filling

Fuel System, Bleeding and First Time Filling

After installing the high pressure pump, it must be filled with fuel before starting the engine. Do not run it when it is dry.

• The fuel tank must be filled.

Fuel System, Bleeding

To fill the high pressure fuel pump with fuel, proceed as follows:

- Connect the battery charger, if necessary.

- Connect the vehicle diagnostic tester and perform the Guided Function "Activate Fuel Pump".

• The fuel pump now runs for 240 seconds (4 minutes).

- Start the engine when the pump stops running.

- Let the engine run a few minutes at a moderate speed and then turn it off.

- Check the fuel system for leaks. Refer to => [ Fuel System, Checking for Leaks ] Fuel System, Checking for Leaks.

- Always follow all safety precautions when performing the road test. Refer to => [ Safety Precautions ] Diesel Fuel Injection.

- Then, perform a road test driving faster than 20 km (12.5 mph) and fully pressing the accelerator pedal at least one time.

- Then, check the high pressure area again for leaks. Refer to => [ Fuel System, Checking for Leaks ] Fuel System, Checking for Leaks.

• If there is still air in the fuel system, the engine may switch to emergency mode during the road test. In this case, turn off the engine and erase the Diagnostic Trouble Code (DTC) memory. Refer to the vehicle diagnostic tester. Then continue the road test.