Powertrain
generic / SAE
P2391
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number3 / 91
Possible causes
- Valve stuck due to soot 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