MultiAir actuator
usually 80,000–150,000 km · High risk
Signs: Misfire, rough idle
Fix: Replace actuator unit
€600–1,200
Engine: common problems, timing drive and oil
0.9 TwinAir
Petrol · 875 cm³ · 48–77 kW
6
model generations
1
known faults
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
Fuel: Petrol. Timing drive: chain.
In our database this engine is fitted to 6 model generations, among them: Fiat 500, Fiat Grande Punto / Punto, Fiat Panda III, Alfa Romeo MiTo, Fiat 500L, Lancia Ypsilon (846).
The most expensive known risk is multiAir actuator: it usually appears at 80,000–150,000 km and costs €600–1,200 to fix.
Key facts
| Fuel | Petrol |
|---|---|
| Displacement | 875 cm³ |
| Power | 48–77 kW |
| Years | 2010–2027 |
| Timing drive | Chain |
| Oil | 5W-40 · Fiat 9.55535-S2 · ~3.5 L · every 15,000 km |
| Engine codes | 312A2, 312A6, 312A4, 312A5 |
Known engine faults
Faults that belong to the engine itself. They apply to every model with this engine, and each model has its own extra faults on its model page.
Engine-related service
Intervals and typical prices, using the Fiat 500 as an example. The app gives the exact plan for your car.
| Item | Interval | Typical price |
|---|---|---|
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Spark plugsIgnition | every 60,000 km or every 48 months | €50–160 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Timing chain inspection (listen on cold start)Engine | every 150,000 km | €0–120 |
Models with this engine
Model generations this engine is fitted to.
Alfa Romeo MiTo 2008–2018Fiat 500 2007–Fiat 500L 2012–2022Fiat Grande Punto / Punto 2005–2018Fiat Panda III 2012–Lancia Ypsilon (846) 2011–2024
Common questions
Does the 0.9 TwinAir engine have a timing chain or a timing belt?
Chain.
What oil does the 0.9 TwinAir engine take?
5W-40 · Fiat 9.55535-S2 · ~3.5 L · every 15,000 km.
What are the known problems with the 0.9 TwinAir engine?
The faults with the highest risk: multiAir actuator (80,000–150,000 km, €600–1,200).
Which cars have the 0.9 TwinAir engine?
Fiat 500, Fiat Grande Punto / Punto, Fiat Panda III, Alfa Romeo MiTo, Fiat 500L, Lancia Ypsilon (846).
Sources and notes
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Dutch tests: RDW Open Data (CC0). Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 08/10/2026