How to VCD Vagcom Prime / Purge your Fuel System / Fuel Filter (2009+ models)

Open up VCDS and follow these instructions:

1. [Select]
2. [01 - Engine]
3. [Basic Settings - 04]
4. Set Group to “035″ (Fuel Supply Pump Activation)
5. [Go!]
6. [ON/OFF/Next]

This activates the fuel pump in the fuel tank, and the fuel pump (engine auxiliary) next to the engine.

The electric fuel pumps should run for 30 seconds


Purge 3 times (or more) if injectors have been replaced, or fuel system was flushed.

Alternatively, to cycle only the pump in the fuel tank:

1. [Select]
2. [01 - Engine]
3. [Output Tests]
4. [Fuel Pump Relay Control Circuit] from dropdown
5. [Start]

Revo VAGCOM Butt Dyno dynoplot6 dynoplot4

I've jsut come across a spreadhseet created by the guys over at Ross-Tech

The spreadsheet plots theoretical horse power (hp) and torque (tq)



A link to their spreadsheet - often referred to as the "Butt Dyno" is:

Butt Dyno, http://www.ross-tech.net/vag-com/examples/dynoplot6.xls