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Removing and installing parts of fuel supply system
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 improved starting characteristics 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
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=> Current flow diagrams, Electrical fault finding and Fitting locations
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