Action in service

Secondary fault, rectify faults relating to the following components or functions:

• VANOS.

Check lines and plug connections between the following components:

• DME.
• Hot film air mass meter.

Check intake system for leakage after throttle valve.

Check gasket on oil filler cap.

Air intake duct to hot film air mass meter faulty (air filter element faulty or incorrectly fitted).

Replace hot-film air mass meter.