Action in service

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

• Oxygen sensor before catalytic converter
• Hot-film air mass meter
• Intake pipe pressure sensor

• Intake air temperature sensor
• Camshaft sensor
• High-pressure fuel system
• Low pressure fuel system
• Valvetronic
• Variable camshaft timing control

Check air intake system for tightness, checking the following components as well at the same time:

• Crankcase ventilation
• Oil cap
• Tank ventilation

Check exhaust system for leak tightness.

Renew injectors and then reset adaptations.