MultiAir actuator ('brick') failure
usually 80,000–160,000 km · High risk
Signs: Misfire, rough idle, engine light, runs on 3 cylinders
Fix: Replace MultiAir unit; use correct 5W-40 oil
€600–1,300
Engine: common problems, timing drive and oil
1.4 T-Jet / MultiAir (turbo)
Petrol · 1,368 cm³ · 88–125 kW
13
model generations
2
known faults
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
Fuel: Petrol. Timing drive: belt · 120,000 km.
In our database this engine is fitted to 13 model generations, among them: Fiat 500, Fiat Grande Punto / Punto, Alfa Romeo Giulietta, Fiat 500X, Fiat Doblò II, Alfa Romeo MiTo and 7 more.
The most expensive known risk is multiAir actuator ('brick') failure: it usually appears at 80,000–160,000 km and costs €600–1,300 to fix.
Key facts
| Fuel | Petrol |
|---|---|
| Displacement | 1,368 cm³ |
| Power | 88–125 kW |
| Timing drive | Belt · 120,000 km |
| Oil | 5W-40 · Fiat 9.55535-S2 · ~3.9 L · every 15,000 km |
| Engine codes | 955A2, 955A6, 955A7, 955A8, 940A2, 940B7, 198A1, 198A4, 198A7, 312B1, 312B3, 263A1, 263A5 |
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.
Turbo wastegate / boost leaks
usually 80,000–160,000 km · Wear part
Signs: Loss of power
Fix: Replace actuator or hoses
€150–500
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 |
| Timing belt kit + water pumpEngine | every 120,000 km or every 96 months | €450–900 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
Models with this engine
Model generations this engine is fitted to.
Alfa Romeo Giulietta 2010–2020Alfa Romeo MiTo 2008–2018Fiat 500 2007–Fiat 500L 2012–2022Fiat 500X 2014–Fiat Bravo II 2007–2014Fiat Doblò II 2010–2022Fiat Grande Punto / Punto 2005–2018Fiat Tipo 2015–Jeep Compass II (EU) 2017–Jeep Renegade (EU) 2014–Lancia Delta III 2008–2014Opel Combo D 2011–2018
Common questions
Does the 1.4 T-Jet / MultiAir (turbo) engine have a timing chain or a timing belt?
Belt · 120,000 km.
What oil does the 1.4 T-Jet / MultiAir (turbo) engine take?
5W-40 · Fiat 9.55535-S2 · ~3.9 L · every 15,000 km.
What are the known problems with the 1.4 T-Jet / MultiAir (turbo) engine?
The faults with the highest risk: multiAir actuator ('brick') failure (80,000–160,000 km, €600–1,300).
Which cars have the 1.4 T-Jet / MultiAir (turbo) engine?
Fiat 500, Fiat Grande Punto / Punto, Alfa Romeo Giulietta, Fiat 500X, Fiat Doblò II, Alfa Romeo MiTo and 7 more.
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