Water pump leak
usually 80,000–160,000 km · Wear part
Signs: Coolant loss
Fix: Replace pump
€200–400
Engine: common problems, timing drive and oil
1.0 VVT-i 3-cyl (1KR-FE — Aygo / Aygo X / C1 / 107 / 108)
Petrol · 998 cm³ · 50–53 kW
7
model generations
3
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 7 model generations, among them: Toyota Yaris III, Toyota Yaris II, Peugeot 107 / 108, Citroën C1, Toyota Aygo II, Toyota Aygo I and 1 more.
Key facts
| Fuel | Petrol |
|---|---|
| Displacement | 998 cm³ |
| Power | 50–53 kW |
| Years | 2005–2027 |
| Timing drive | Chain |
| Oil | 5W-30 / 0W-20 · API SL/SN · ~3.2 L · every 15,000 km |
| Engine codes | 1KR-FE, CFB, 384F, 1KR |
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.
Exhaust manifold / catalyst crack
usually 100,000–200,000 km · Wear part
Signs: Blowing noise, emissions fail
Fix: Replace manifold
€300–700
Clutch wear (city use)
usually 120,000–240,000 km · Wear part
Signs: High bite point
Fix: Replace clutch kit
€400–700
Engine-related service
Intervals and typical prices, using the Toyota Yaris III 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.
Citroën C1 2005–2022Peugeot 107 / 108 2005–2021Toyota Aygo I 2005–2014Toyota Aygo II 2014–2022Toyota Aygo X 2022–Toyota Yaris II 2005–2011Toyota Yaris III 2011–2020
Common questions
Does the 1.0 VVT-i 3-cyl (1KR-FE — Aygo / Aygo X / C1 / 107 / 108) engine have a timing chain or a timing belt?
Chain.
What oil does the 1.0 VVT-i 3-cyl (1KR-FE — Aygo / Aygo X / C1 / 107 / 108) engine take?
5W-30 / 0W-20 · API SL/SN · ~3.2 L · every 15,000 km.
Which cars have the 1.0 VVT-i 3-cyl (1KR-FE — Aygo / Aygo X / C1 / 107 / 108) engine?
Toyota Yaris III, Toyota Yaris II, Peugeot 107 / 108, Citroën C1, Toyota Aygo II, Toyota Aygo I and 1 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