Diesel Intake Air Flow B Control Performance
Same as P2390 with the actuator electrically intact yet not delivering the commanded position - sticky valve, broken linkage, or position offset.
Affected components
- Diesel intake air flow b
Common causes
- High likelihood: Valve stuck due to soot
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
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.