seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Fuel delivery unit removal and installation > < Crash fuel shut-off
Function
Function
Vehicles with airbags are fitted 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. Furthermore, this system provides improved engine starting. When the door is opened the fuel pump is activated for 2 seconds to build-up the pressure in fuel system.
When opening the fuel system:
Observe safety precautions → Chapter.
–  Check fuel pump relay: → Vehicle diagnosis, testing and information system VAS 5051
   

Fuel delivery unit removal and installation > < Crash fuel shut-off