Coolant hose / overheating (2012–2015)
usually 0–120,000 km · High risk
Signs: Coolant loss, temperature warning
Fix: Check recall; replace hose
€100–400
Engine: common problems, timing drive and oil
1.0 EcoBoost / 1.0 Ti-VCT (Fox)
Petrol · 998 / 999 cm³ · 48–103 kW
10
model generations
2
known faults
2,828,000
new cars in the EU (2010–2025)
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
Fuel: Petrol. Timing drive: wet belt · 150,000 km.
In our database this engine is fitted to 10 model generations, among them: Ford Puma, Ford Fiesta VI (Mk6/Mk7), Ford Fiesta VII (Mk8), Ford Focus III, Ford Focus IV, Ford EcoSport and 4 more.
The most expensive known risk is wet timing belt inspection: it usually appears at 100,000–160,000 km and costs €700–1,300 to fix.
Key facts
| Fuel | Petrol |
|---|---|
| Displacement | 998 / 999 cm³ |
| Power | 48–103 kW |
| Years | 2012–2027 |
| Timing drive | Wet belt · 150,000 km |
| Oil | 5W-20 · Ford WSS-M2C948-B · ~4.1 L · every 15,000 km |
| Engine codes | M1DA, M1JA, M1JE, M1JH, M2DA, M0JA, SFJA, SFJB, SFJC, M1DD, M1DC, XMJA, YYJA |
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.
Wet timing belt inspection
usually 100,000–160,000 km · Medium risk
Signs: Belt in oil degrades
Fix: Inspect; replace per schedule
€700–1,300
Engine-related service
Intervals and typical prices, using the Ford Fiesta VI (Mk6/Mk7) 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 belt kit + water pump (belt runs in oil)Engine | every 150,000 km or every 72 months | €700–1,400 |
Models with this engine
Model generations this engine is fitted to.
Ford B-Max 2012–2017Ford C-Max / Grand C-Max 2010–2019Ford EcoSport 2013–2022Ford Fiesta VI (Mk6/Mk7) 2008–2017Ford Fiesta VII (Mk8) 2017–2023Ford Focus III 2011–2018Ford Focus IV 2018–2025Ford Mondeo V 2014–2022Ford Puma 2019–Ford Tourneo / Transit Connect II 2013–2022
Common questions
Does the 1.0 EcoBoost / 1.0 Ti-VCT (Fox) engine have a timing chain or a timing belt?
Wet belt · 150,000 km.
What oil does the 1.0 EcoBoost / 1.0 Ti-VCT (Fox) engine take?
5W-20 · Ford WSS-M2C948-B · ~4.1 L · every 15,000 km.
What are the known problems with the 1.0 EcoBoost / 1.0 Ti-VCT (Fox) engine?
The faults with the highest risk: coolant hose / overheating (2012–2015) (0–120,000 km, €100–400); wet timing belt inspection (100,000–160,000 km, €700–1,300).
Which cars have the 1.0 EcoBoost / 1.0 Ti-VCT (Fox) engine?
Ford Puma, Ford Fiesta VI (Mk6/Mk7), Ford Fiesta VII (Mk8), Ford Focus III, Ford Focus IV, Ford EcoSport and 4 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). Engine versions: EEA, monitoring of CO₂ emissions from new passenger cars (CC BY 4.0, DG CLIMA). 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