Operation CHARM: Car repair manuals for everyone.

Fuel Pressure












Auxiliary Fuel Pump V393 (In-Line Electric Fuel Pump)


Specified value: minimum 3.5 bar


- Connect the vehicle diagnostic tester and perform the guided function "Check Electric Fuel Pumps".

The fuel pump now runs for 30 seconds.

- Let the fuel pumps run until the highest fuel pressure is reached.





Volume

Specified Values

Minimum 1950 ml/60 seconds
Maximum 2750 ml/60 seconds