seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Removing and installing fuel delivery unit > < Rules for cleanliness
Crash fuel shut-off
Crash fuel shut-off
Function
Vehicles with an airbag 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. Simultaneously this system provides an improved start for the engine. 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: → Current flow diagrams, Electrical fault finding and Fitting locations
   

Removing and installing fuel delivery unit > < Rules for cleanliness