Powertrain
generic or reserved
P349B
Cylinder 4 Deactivation/Intake Valve Performance
Per-cylinder intake valve deactivation on cylinder 4 does not respond as commanded.
SystemPowertrain
Typegeneric or reserved
GroupP3
Range / number4 / 9B
Possible causes
- Actuator stuck mechanically high
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–3000 €
- Estimated time: 3–10 h
- Component: cyl4 intake valve actuator
- Component: hydraulic pin
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012