1NZ-FE/FXE
Toyota · 1.5L I4 / Hybrid
2000–present
"Yaris + Prius engine. Nearly unkillable. Hybrid version (FXE) powers millions of taxis worldwide."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 3
Inverter coolant pump failure (older Prius)
▸Hybrid warning, reduced power, warm-up issues
Pre-2010 Prius has separate inverter coolant circuit with its own pump. Can fail silently causing inverter damage.
Pre-2010 Prius in Greece: replace inverter coolant pump at 120k km preventively. €200-600.
Hybrid battery pack capacity fade
▸Reduced fuel economy, battery bars showing low, shorter electric range
Battery capacity fades over time and cycles. Individual cell replacement possible. Toyota extended warranty in many markets.
At 200k+ km expect battery attention. Cell replacement €800-1500. Full replacement €2,500-3,000. Reconditioning specialists exist in Greece.
EGR valve carbon fouling (older models)
▸Rough idle, check engine light
Older 1NZ-FXE can have EGR fouling at very high mileage.
Low concern for typical Greek examples. Well-known fix at Toyota workshops.
This report covers the combustion engine only. Battery and electric motor reliability are not included.
Models with 1NZ-FE/FXE 10
Related Guides
Other Toyota Engines
Tuning Potential
N/A
Frequently Asked Questions
Is the Toyota 1NZ-FE/FXE reliable?
The Toyota 1NZ-FE/FXE scores 92/100 with a verdict of BEST. It has 3 documented issues with total repair costs between €1,200 and €4,100.
What are the common problems with the 1NZ-FE/FXE?
The most common issues are:
- Inverter coolant pump failure (older Prius) — moderate, repair cost €200–€600, 100,000 km–200,000 km
- Hybrid battery pack capacity fade — moderate, repair cost €800–€3,000, 150,000 km–250,000 km
- EGR valve carbon fouling (older models) — minor, repair cost €200–€500, 100,000 km–180,000 km
What cars use the Toyota 1NZ-FE/FXE?
The 1NZ-FE/FXE is found in:
- Corolla/Auris (2006–2012)
- Yaris (2011–2020)
- Corolla/Auris (2012–2018)
- Yaris (2012–2020)
- Yaris (2017–2020)
- Yaris (2020–present)
- Yaris Cross (2021–present)
- Yaris Cross (2021–present)
- Yaris (2020–present)
- C-HR 1.8 Hybrid (2016–2022)
How much does it cost to repair the 1NZ-FE/FXE?
Total potential repair costs for all 3 known issues range from €1,200 to €4,100. The most expensive issue is typically .
What years was the 1NZ-FE/FXE produced?
The Toyota 1NZ-FE/FXE was produced from 2000 to present. It is a 1497cc I4 petrol na engine.
Scores are calculated from documented issues, repair costs, and failure patterns across thousands of owner reports and technical sources. Learn about our methodology. Always inspect before you buy.