Fuel System

Fuel System

Note the following when working on the fuel system:


There is a risk of injury because the fuel is under pressure.

• Place rags around the connection before opening the system. Then release pressure by carefully loosening the connection.

Very hot fuel can burn your skin.

• The temperature of the fuel lines or fuel may reach 100 °C (212 °F) after stopping the engine. Let the fuel cool down before opening any line connections otherwise there is a danger of scalding.

• Wear protective gloves.

• Wear safety glasses.

To prevent personal injury and damage to the injection and pre-glow system, observe the following:

• The ignition must be switched off before connecting or disconnecting injection and preglow system wiring or tester cables.

• Only clean engine with ignition switched off.

• If the connectors were disconnected and the engine was started, then malfunctions have been stored in the engine control module/control modules DTC memory: in Guided Functions Check the DTC Memory vehicle diagnosis tester.


Risk of destroying electrical components when battery is disconnected.

• Observe measures when disconnecting battery.

• Only disconnect battery with ignition switched off.

Disconnect the battery.