Fuel System

WARNING: This page is about a different variant/trim than selected.

Note the following when working on the fuel system:

WARNING:

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

Let the fuel pressure come down before opening any high pressure components in the fuel injection system.
To reduce any remaining pressure, place a clean cloth over the connections and carefully loosen the connections.

-- Procedures before opening the high pressure fuel injection system. Refer to General Information .

To prevent personal injury and damage to the injection and ignition system, observe the following:

Turn off the ignition before disconnecting and connecting the wiring for the injection and ignition system. This includes tester cables as well.
Only clean engine with ignition switched off.
If electrical connectors were disconnected and the engine was started, then malfunctions have been stored in the engine control modules. "Generate readiness code" in "Guided Functions" using the vehicle diagnosis tester.

CAUTION:

Risk of destroying electronic components when disconnecting the battery.