Crash fuel shut-off
WARNING: This page is about a different car, the 2004 Volkswagen R32. However, it is still accessible from the selected car via links, so may be relevant.
Function
Vehicles with an airbag are equipped with a crash fuel shut-off system. It reduces the danger of a fire in a crash as the fuel pump is switched off via the fuel pump relay. At the same time, with this set-up, an improvement in the comfort of engine startability is also attained. When opening the door, the fuel pump is activated for 2 seconds to build pressure in the fuel system.
When opening the fuel system:
Observe safety precautions, refer to Safety precautions when working on fuel supply system .
- Check fuel pump relay: Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations