Hybrid battery ageing
usually 200,000–350,000 km · Medium risk
Signs: Fuel use up, hybrid warning
Fix: Recondition or replace
€1,200–3,000
Engine: common problems, timing drive and oil
1.5 Hybrid (Toyota 1NZ-FXE / M15A)
Hybrid · 1,496 / 1,490 cm³ · 54–68 kW
5
model generations
3
known faults
1,363,000
new cars in the EU (2010–2025)
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
Fuel: Hybrid. Timing drive: chain.
In our database this engine is fitted to 5 model generations, among them: Toyota Yaris Cross, Toyota Yaris IV, Toyota Yaris III, Lexus LBX, Toyota Prius II.
The most expensive known risk is hybrid battery ageing: it usually appears at 200,000–350,000 km and costs €1,200–3,000 to fix.
Key facts
| Fuel | Hybrid |
|---|---|
| Displacement | 1,496 / 1,490 cm³ |
| Power | 54–68 kW |
| Years | 2003–2027 |
| Timing drive | Chain |
| Oil | 0W-20 / 0W-16 · API SN · ~3.7 L · every 15,000 km |
| Engine codes | 1NZ-FXE, M15A-FXE |
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.
Inverter coolant pump (Prius II)
usually 150,000–250,000 km · Medium risk
model years 2003–2009 only
Signs: Hybrid system warning
Fix: Replace pump
€250–500
Brake actuator (ABS) (Prius II)
usually 150,000–300,000 km · High risk
model years 2003–2009 only
Signs: Brake warning lights, pump runs constantly
Fix: Replace the brake actuator
€1,000–2,500
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.
Lexus LBX 2023–Toyota Prius II 2003–2009Toyota Yaris Cross 2021–Toyota Yaris III 2011–2020Toyota Yaris IV 2020–
Common questions
Does the 1.5 Hybrid (Toyota 1NZ-FXE / M15A) engine have a timing chain or a timing belt?
Chain.
What oil does the 1.5 Hybrid (Toyota 1NZ-FXE / M15A) engine take?
0W-20 / 0W-16 · API SN · ~3.7 L · every 15,000 km.
What are the known problems with the 1.5 Hybrid (Toyota 1NZ-FXE / M15A) engine?
The faults with the highest risk: brake actuator (ABS) (Prius II) (150,000–300,000 km, €1,000–2,500); hybrid battery ageing (200,000–350,000 km, €1,200–3,000); inverter coolant pump (Prius II) (150,000–250,000 km, €250–500).
Which cars have the 1.5 Hybrid (Toyota 1NZ-FXE / M15A) engine?
Toyota Yaris Cross, Toyota Yaris IV, Toyota Yaris III, Lexus LBX, Toyota Prius II.
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