Powertrain
generic / SAE
P239D
Diesel Intake Air Flow B Control System Low Air Flow Detected
Same as P239C with the airflow below the threshold when the valve is commanded open - valve does not open fully or the path is restricted.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number3 / 9D
Possible causes
- Valve does not open fully high
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 200–1000 €
- Estimated time: 1–4 h
- Component: diesel intake air flow b
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012