Fuel System

Fuel System

• Hose connections are secured with couplings or spring type or clamp type clips.

• Fuel hoses at the engine must only be secured with spring type clips. The use of clamp or screw type clips is not permissible.

• Spring type clip pliers (VAS 6499) or hose clip pliers (VAS 6362) are recommended for installing spring clamps.

• If the fuel delivery unit was replaced, adapt the Engine Control Module (ECM) to the fuel pump, refer to "Guided Functions" in the vehicle diagnostic tester.

The connectors for fuel, vacuum and ventilation lines are marked with colors. There is either a colored dot on the connector or the release button is the corresponding color.