1.4 MultiAir Actuator Failure
SeriousEngineThe MultiAir "brick" controls valve timing hydraulically. Incorrect oil or extended intervals cause it to fail, leading to expensive repairs.
Est. Repair Cost: £800–£1,500
Warning Signs:
Engine misfire, Limp mode, Severe loss of power
What to Inspect:
- Listen for a smooth idle
- Check service receipts for correct oil specs (5W-40 ACEA C3)
Verified by IsItAGoodCar Research Team