Water pump / thermostat module leak
usually 60,000–140,000 km · Medium risk
Signs: Coolant level drops
Fix: Replace pump + thermostat module
€250–500
Engine: common problems, timing drive and oil
1.0 / 1.6 MPI (EA211: CHYA / CWVA)
Petrol · 999 / 1,598 cm³ · 44–81 kW
10
model generations
2
known faults
2,787,000
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: belt · 210,000 km / every 120 mo.
In our database this engine is fitted to 10 model generations, among them: Volkswagen Up!, Volkswagen Polo VI (AW), Škoda Fabia III, SEAT Ibiza V, Škoda Citigo, Volkswagen Polo V (6R/6C) and 4 more.
The most expensive known risk is water pump / thermostat module leak: it usually appears at 60,000–140,000 km and costs €250–500 to fix.
Key facts
| Fuel | Petrol |
|---|---|
| Displacement | 999 / 1,598 cm³ |
| Power | 44–81 kW |
| Years | 2011–2027 |
| Timing drive | Belt · 210,000 km / every 120 mo |
| Oil | 5W-30 / 0W-20 · VW 504.00 / 508.00 · ~3.6–4.0 L · every 15,000 km |
| Engine codes | CHYA, CHYB, CHYC, DSHA, CWVA, CWVB, DGGA, CLSB |
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.
Oil consumption (1.6 MPI CWVA)
usually 100,000–200,000 km · Wear part
engine codes: CWVA, CWVB
Signs: Topping up between services
Fix: Monitor; check PCV / rings
€100–1,500
Engine-related service
Intervals and typical prices, using the Škoda Octavia 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 |
| Timing belt kit + water pumpEngine | every 210,000 km or every 120 months | €450–900 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
Models with this engine
Model generations this engine is fitted to.
SEAT Ibiza V 2017–SEAT Mii 2011–2021Škoda Citigo 2011–2020Škoda Fabia III 2014–2021Škoda Fabia IV 2021–Škoda Octavia III 2013–2020Škoda Rapid 2012–2019Volkswagen Polo V (6R/6C) 2009–2017Volkswagen Polo VI (AW) 2017–Volkswagen Up! 2011–2023
Common questions
Does the 1.0 / 1.6 MPI (EA211: CHYA / CWVA) engine have a timing chain or a timing belt?
Belt · 210,000 km / every 120 mo.
What oil does the 1.0 / 1.6 MPI (EA211: CHYA / CWVA) engine take?
5W-30 / 0W-20 · VW 504.00 / 508.00 · ~3.6–4.0 L · every 15,000 km.
What are the known problems with the 1.0 / 1.6 MPI (EA211: CHYA / CWVA) engine?
The faults with the highest risk: water pump / thermostat module leak (60,000–140,000 km, €250–500).
Which cars have the 1.0 / 1.6 MPI (EA211: CHYA / CWVA) engine?
Volkswagen Up!, Volkswagen Polo VI (AW), Škoda Fabia III, SEAT Ibiza V, Škoda Citigo, Volkswagen Polo V (6R/6C) 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