Diesel Intake Air Flow B Control System High Air Flow Detected
With diesel intake air flow valve B commanded closed the measured airflow is above the calibrated threshold - valve does not seat or position sensor offset.
Affected components
- Diesel intake air flow b
Common causes
- High likelihood: Valve does not seat fully
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.