Checking Initial Setting Of Boost Pressure Control (BPC) Valve Pressure Servo

Fault-tracing information

Condition
- no Motronic 4.4 diagnostic trouble codes (DTCs) stored.
- no diagnostic trouble codes (DTCs) stored in AW 50-42
- Engine at normal operating temperature.
- the fault is permanent.

Possible source
- boost pressure control (BPC) valve open.