Note.
- The battery voltage is at least 12.5 V.
- Fuel filter is ok.
- The fuel tank is at least ½ full.
- Ignition off.
1. Remove the top decorative engine cover assembly.
Attention. The fuel supply line is under pressure. Cover the joint with a clean cloth before disconnecting hose connections. Only then can the pressure be reduced by careful separation.
2. Disconnect the fuel supply line (arrow) from the high pressure pump, as shown in the figure below.
3. Fuel supply line (1) (extended with suitable hose (2)) keep in a measuring jar (3), as shown in the figure below.
4. Connect diagnostic, measuring and information system -VAS 505x- and carry out the function "Fuel pump check".
Note. The fuel pump will be activated for 30 seconds.
Required value for the minimum delivery volume in 30 seconds: minimum 600 ml.
If the minimum delivery quantity is not reached, the following faults are possible:
The battery voltage is too low.
The fuel line is pinched, carry out a visual inspection.
The fuel filter is clogged.
The power system is not tight, check the tightness.