Diesel Intake Air Flow A Control System - High Air Flow Detected
Air flow through diesel intake throttle A is higher than the commanded set point — flap leaking past the seat or stuck partly open.
Affected components
- Diesel intake throttle
- Mass air flow sensor
Common causes
- High likelihood: Throttle plate leaks past seat
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.